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Wednesday, September 23, 2009

What is a statistics consultation?

What is a statistics consultation?

A statistics consultation is a session in which a professional statistician discusses the statistical needs of the client and provides insight, advice and guidance to that client in terms of statistics. A statistics consultation occurs when an individual needs help with statistics and looks to a statistics consulting firm to provide them with the statistics consultation that will help solve their statistical problems.

Statistics Solutions is the country's leader in statistics consultation and dissertation statistics. Contact Statistics Solutions today for a free 30-minute consultation.


Who typically gets a statistics consultation?

Many individuals and many groups seek a statistics consultation to get them on the right track when it comes to statistics and statistical procedures that need to be performed. Individuals who have sought a statistics consultation in the past include doctors and nurses looking to use statistics to garner evidence about what drugs work and at what dosage, policy makers and politicians who need to use statistics to prove if certain policies work for large numbers of people, business owners and entrepreneurs who can use statistics to track performance of certain products and services, and doctoral students who are writing their dissertation and who need to use statistics to prove whatever their topic demands they prove.

How can a student benefit from a statistics consultation?

A doctoral student working on his or her dissertation will find that a statistics consultation is especially beneficial in the process because a statistics consultation can be used to make sure that the student is on the right track in terms of the statistical analyses and the statistical procedures that need to be completed for the dissertation to be a success. Each and every single doctoral student who is working on the dissertation must have the statistics to go along with the dissertation—and again, these dissertation statistics will be used to prove the student’s thesis. Without the statistics, then, the student’s dissertation will not get passed Many students struggle with the statistical aspects of the dissertation, however, but this will not be the case if the student seeks a statistical consultant who can provide statistics consultations throughout the course of the dissertation. Thus, a statistics consultant who can provide statistics consultations will give the student valuable help throughout the dissertation writing process and this statistics consultation that provides help on the statistical procedures and analyses will ensure that the student is working properly through the dissertation statistics of the dissertation. A statistics consultation, then, provided by a dissertation consultant is one of the best ways for a doctoral student to get help as he or she works on the dissertation.

How long is a statistics consultation?

A statistics consultation does not have a time limit as a statistics consultation is designed to make sure that the person seeking the statistics consultation gets the answers they need to their statistical issues. The person providing the statistics consultation, then, will not rest until the job is done—until the person who sought the statistics consultation has exactly what he or she needs. Additionally, the very first statistics consultation is usually free—and this is a good thing to look for when you are choosing a statistics consultation firm because many statistics consultation firms do indeed provide the initial statistics consultation free. It is therefore in your best interest to choose a statistics consulting firm that provides the initial statistics consultation free of charge. In this statistics consultation, the statistics consultation provider will outline what it is that he or she can do for you in terms of helping you with all of your statistical needs.

Tuesday, September 8, 2009

Statistical Consultant

More and more doctoral students are turning to a statistical consultant to help them with the dissertation because more and more doctoral students are realizing that they do not have to deal with the complications, complexities, and difficulties of the dissertation by themselves. A statistical consultant can help a student with the dissertation statistics and thus a statistical consultant can bear the burden of the statistical analysis necessary for the dissertation to be completed, approved and accepted.


Statistics Solutions is the country's leader in statistical consultant and dissertation statistics. Contact Statistics Solutions today for a free 30-minute consultation.


A statistical consultant is a trained statistician who knows the complicated ins and outs of statistics. And because statistics are a necessary and instrumental part of every single doctoral dissertation (for the statistics provide the proof of whatever it is the student is studying), a statistical consultant can be extremely valuable to any doctoral student.

A statistical consultant can help any student, regardless of what topic he or she is working on for their dissertation. This is true because the science of statistics does not change, though the topic of study might change. Thus, a statistical consultant can apply the methodology of statistics to each and every single dissertation that they are working on.

One of the biggest benefits of a doctoral degree seeking student acquiring the help of a statistical consultant is that the student does not have to work on the dissertation and the dissertation statistics alone. Students who have completed the dissertation can attest to the fact that the dissertation is extremely lengthy, and because it is so lengthy and difficult, there are many times in the dissertation writing process that the student finds themselves very discouraged and burnt out. A statistical consultant can help with this, however, because a statistical consultant will provide one on one help to the doctoral degree seeking student, ensuring that the student has the confidence and motivation to continue with the dissertation at all times. Additionally, a statistical consultant will not let the student make any mistakes in the statistical processes of the dissertation. This is a big deal because mistakes on the statistics of a dissertation can be and have been extremely costly to the student. Additionally, there are many phases or areas of the dissertation where it is easy to make statistical mistakes (for example, in the acquisition of data—for the data must be gathered properly, according to proper methodology, etc) and a statistical consultant can make sure that the doctoral student avoids these pitfalls.

A statistical consultant, then, will make the entire process of writing and working on a dissertation much, much easier for the student. A statistical consultant is also a valuable part of preparing the student for the oral defense of a dissertation—where a doctoral student must answer very tough questions about the dissertation. It is essential that the doctoral student is prepared for picky and nuanced questions, including questions about the dissertation statistics. With the help of a statistical consultant, the doctoral student will be extremely prepared for this oral defense and the doctoral student will not stumble over questions about the dissertation or the dissertation statistics.

The value and worth of a statistical consultant providing help to a doctoral student as he or she works on the dissertation cannot be overstated. There is, quite frankly, no better help that a student who is working on his or her dissertation can receive. No matter the subject, and no matter the university, a doctoral degree seeking student will always be well served by seeking help on his or her dissertation. And this help is best found in the form of a statistical consultant providing help, assistance, guidance and mentorship every single step of the way.

Monday, August 31, 2009

Statistics Consultants

Statistics consultants can be used for a wide variety of reasons, and in each case the purpose is the same: to get accurate, dependable and reliable help on any statistical issues or processes. Many people therefore use statistical consultants as statistical consultants can have a huge impact on many individuals looking for help from statistical consultants.


Statistics Solutions is the country's leader in statistical consulting. Contact Statistics Solutions today for a free 30-minute consultation.


Among the many people and organizations that turn to statistical consultants for help are businesses looking for help on statistics. This help provided by statistics consultants to businesses can examine and analyze all data and numbers and therefore provide feedback in terms of maximizing efficiency and profitability. Additionally, people in the health profession use statistics consultants to determine if a drug is useful and has accurate results as well as providing information about the dosage for that drug. The government also turns to statistics consultants often as the government agencies need to measure how well a program works. Statistics consultants can provide that kind of information to governmental agencies. Finally, doctoral students who are working on their dissertations also turn to statistics consultants as they need statistics consultants to guide them through the difficult statistical processes of their dissertation. It is this last group of individuals, doctoral degree seeking students, that this document will focus on as statistics consultants can prove to be invaluable in terms of giving help to doctoral students as they work on their dissertations.


Statistics consultants
are so valuable to doctoral student because statistics consultants can provide the necessary guidance, aid, assistance and help to all students as they struggle to complete their dissertations. The dissertation is a very big undertaking and it is the last thing that is standing in the way of students and their degrees. It is important, therefore, that the dissertation is done precisely and accurately. The biggest part of the dissertation, of course, is the statistical analysis that will prove whatever it is that the student has set out to prove at the onset of his or her dissertation. The dissertation statistics are therefore very important to the overall success of the student, and yet, not many doctoral students know exactly how to perform the dissertation statistics accurately and precisely. This is exactly where statistics consultants can step in to help a struggling student as statistics consultants can provide every single thing that the doctoral student needs to be successful with the statistical portions of the dissertation.


Perhaps the best feature about statistics consultants is that statistics consultants actually take the time to teach the statistical procedures to each and every single student. This is possible because statistics consultants work individually, one on one with each student who seeks the help of a statistics consultant. Statistics consultants are therefore free to go at a slow pace with the doctoral student, ensuring that the doctoral student who has turned to statistics consultants actually understands all of the statistical procedures that are in the dissertation. Statistics consultants will therefore go to every possible means to make sure that the doctoral student is competent with statistics and the dissertation statistics and analysis. This will come in very handy later as the doctoral student must orally defend his or her dissertation. The doctoral student will be very prepared for the oral defense of his or her dissertation because the doctoral student has spent weeks and months preparing for the oral defense with the statistics consultant.


There is no better way for a student to guarantee that he or she understands everything that he or she needs to understand about statistics than by getting the help of statistics consultants as he or she works on the lengthy and difficult dissertation.

Wednesday, August 26, 2009

Statistics Consulting Services

Statistics consulting services can provide everything a doctoral student needs in terms of assistance, guidance and help on the difficult and lengthy statistical processes involved in the dissertation. The dissertation is the final hurdle that a student must clear in order to receive his or her doctoral degree, and as such, the dissertation must be completed carefully and precisely. More specifically, the statistical procedures contained in the dissertation must be done carefully and precisely if the student is to have success and the dissertation that the student turns in is to be accepted and approved.

The dissertation revolves around statistical procedures because the dissertation must prove something—and it is the statistical procedures, the statistical analysis, and the statistical conclusions that will serve as the evidence to whatever it is that the doctoral student sets out to prove. Thus, without proper statistical evidence, the student will not have an acceptable dissertation. Statistics consulting services can make sure that all of the statistical evidence is acceptable, however, because statistical consulting services can guide a student through each and every single statistical task that he or she must perform during the course of the dissertation.

Statistics Solutions is the country's leader in statistics consulting services. Contact Statistics Solutions today for a free 30-minute consultation.


Statistical consulting services
are provided by trained experts in statistics, or statisticians. A student can find statistics consulting services quite easily as statistics consulting services are gaining in popularity as students begin to recognize just how valuable their services can be. Statistics consulting services are obtained by statistics consulting services, or dissertation consulting services. Once the student obtains the help of statistics consulting services, the doctoral student and the person providing the statistics consulting services get to work on the task at hand—on the completion of the dissertation.

Because getting the help of statistics consulting services is one of the best things that a doctoral student can do in terms of getting help on his or her dissertation, the student is best served if he or she gets the help of statistics consulting services early on in the project or dissertation. The earlier the student is able to get the help of statistics consulting services, the more help that the statistics consulting services can provide. This help is far-reaching as the help that statistics consulting services can range from helping students as they choose a topic to helping students put the finishing touches on the dissertation. And, of course, statistics consulting services help the student with everything in between—especially when it comes to the statistical procedures of the dissertation. This help on the statistics portion of the dissertation provided by statistics consulting services is especially useful and valuable as many doctoral students are not equipped with the knowledge or know-how to handle the complicated tasks of statistics. And while students may be very well versed in whatever it is they are studying at the university, they are not always well versed in statistics. Statistics can be especially hard for these students because statistics is a science that requires much experience, knowledge and study. Statistics consulting services, however, can provide that expertise and know-how and what’s more, statistics consulting services will actually teach the complicated statistical procedures to each and every single student who seeks the help of statistics consulting services. Thus, one of the most valuable services that statistics consulting services provide is the instruction of statistics and statistical procedures. With this instruction provided by statistics consulting services, the student will later be able to defend his or her dissertation—a necessary step in getting his or her dissertation approved and accepted.

Thus, statistics consulting services are the best way for a student to get the help, guidance and assistance that he or she needs as he or she tackles the difficult dissertation.

Statistics Consultants and Dissertations

Statistics consultants can provide invaluable help to anyone and everyone who is working on his or her dissertation. The dissertation relies heavily on statistics, for the dissertation must prove something statistically. Statistics consultants can ensure that doctoral degree seeking students are on the right track in terms of performing all of the statistical analysis necessary for their dissertations.


Statistics Solutions is the country's leader in statistical consulting and dissertation help. Contact Statistics Solutions today for a free 30-minute consultation.


Statistics consultants are professional statisticians who offer both statistical help and help on the overall dissertation. For example, statistical consultants can offer help to a doctoral student who is still struggling with choosing his or her topic. In most cases, doctoral students have an idea of what it is they want to study, but the student is unable to narrow that topic down. Statistics consultants can help in this scenario because statistics consultants can offer expert advice in terms of narrowing down a topic so that it can be studied statistically. This will prove to be extremely important in the long run as the topic of the dissertation is what the student will spend months and months and months working on.

Once the topic has been decided upon, statistics consultants will help the doctoral student throughout the entire dissertation. This includes the statistics consultants providing much help on every step before the actual statistical analysis takes place (for example, in the proposal phase, on the dissertation methodology,) etc. And once the doctoral student gets to the statistical portion of his or her dissertation, statistics consultants offer immeasurable and invaluable help to all doctoral students. This is true because many doctoral degree seeking students are unfortunately not well trained when it comes to the science of statistics. And because statistics is a science, it must be done methodically, careful, precisely and accurately if it is to garner accurate and precise results. And, of course, the dissertation will only be accepted and approved if every single statistical procedure and calculation is done accurately and correctly.

Statistics consultants can help doctoral students on all of this and the help that statistical consultants provide to doctoral students prove to be some of the most useful and beneficial help that a student can get. This help that statistics consultants provide is so incredibly useful and helpful because statistics consultants are committed to making sure that every single doctoral student actually understands the statistical procedures that are involved in the dissertation. Thus, statistics consultants offer tutorials on the statistics and the statistics analysis—statistics consultants are 100% committed to making sure that the doctoral student not only has accurate statistics analysis and results, but that the doctoral student completely understands every statistical procedure that has been done. Thus, with the help of statistics consultants, a doctoral degree seeking student will be able to reproduce all of the statistical methodology, statistical analysis and statistical calculations on his/her own. This instruction that statistics consultants are committed to will also prove extremely important when the student gets to the oral defense of his or her dissertation. In the oral defense of the dissertation, the doctoral student must prove that he or she is proficient in not only the subject matter that he or she has chosen, but also in the statistical procedures and statistical analyses that have occurred in the dissertation. With the help of statistics consultants guiding a doctoral student through every step of his or her dissertation, the doctoral student will have no problem when he or she gets to the oral defense of his or her dissertation.


Thus, statistics consultants are the best way to get accurate statistics and invaluable help on every single part of the dissertation.

Friday, August 21, 2009

Statistics

Statistics refers to the science of collecting, testing and drawing out a statistical inference from raw data. Statistics is basically a numerical statement of the facts that are derived from raw collected data.

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This document will discuss the importance and scope of statistics.

Statistics is widely used for the purpose of planning. The planning happens in various fields like in the planning in production, consumption, prices, investment, income expenditure, etc. in which advance statistical techniques are required.

Statistics is closely related and is quite dependent upon the theory of mathematics. In other words, statistics is basically a branch of applied mathematics which mainly specializes in handling data.

The theory of statistics also comes into play in the field of economics. There are immense statistical techniques in statistics that are used in handling economic data. Statistical techniques like time series analysis, demand analysis, forecasting, etc. are used for handling economic data.

The theory of statistics is also utilized in the field of biology and medical sciences. In the field of medical sciences, a major statistical test in statistics, called the t test, is utilized for testing the efficacy of a manufactured drug or injection.

Along with the uses of statistics, there also come certain limitations of statistics.

The first and most major limitation is that due to the association of statistics with mathematics, the theory of statistics is not used in the case of qualitative data directly. First, qualitative data is labeled in a quantitative form. Then, analysis is carried out on the data with the help of some software.

The second limitation is that the theory of statistics is used to draw out an inference of a particular group or community or a region and not about an individual.

The third limitation is that the numerical facts that are obtained in statistics, with the help of statistical tools and techniques, are generally in an approximated form and not in an exact form. In other words, the figures obtained by conducting the statistical tests and techniques are always approximate and not exact.

One of the major disadvantages of statistics is that with the help of the theory of the statistics, one can misuse it because statistical facts can be manipulated or moulded in any format.

There are certain software languages that have been developed for conducting statistical techniques in statistics. The statistical languages are SAS, SPSS, Minitab, Strata, R language, etc.

Such software languages help in solving complex statistical procedures in statistics. With the help of these software languages, the researcher can also learn to infer about statistical data in a proper manner, as such packages like SPSS come along with certain tutorials which tutors the starter about the usage of the statistical procedures in that particular software package.

Mathematical Expectation

The mathematical expectation of a particular random phenomenon basically means the average value of the random phenomenon.

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In statistics, there are basically two types of random variable, namely discrete and continuous random variables. According to the type of the random variable, the formula for the mathematical expectation is given. So, for the discrete type of random variable, the mathematical expectation is defined as the sum of the product of the random variables and the probability mass function (pmf) of those random variables. The mathematical expectation formula is the following:

E(X) = for discrete random variable.

Similarly, for the continuous type of random variable, the mathematical expectation is given by the integral of the product of the random variables and the probability density function (pdf) of those random variables. The mathematical expectation formula is the following:

E(X) = , for the continuous random variable.

There are certain properties of mathematical expectation:

The first property is that of the additional theorem of mathematical expectation. This property of the mathematical expectation states that if there is an X and Y, then the mathematical expectation of the sum of those two random variables are equal to the sum of the mathematical expectation of the individual random variables. In other words,

E(X+Y) = E(X) + E(Y), provided that all the expectations exist.

This property of the mathematical expectation also has the generalized form, which states that the mathematical expectation of the sum of the ‘n’ number of random variables is equal to the sum of the mathematical expectation of the individual ‘n’ number of random variables. In other words,

E(X1+X2+ …… + Xn) = E(X1) +E(X2)+ …… +E(Xn), provided that all the expectations exist.

The second property is that of the multiplication theorem of the mathematical expectation.

This property of the mathematical expectation states that if there is an X and Y, then the mathematical expectation of the product of those two random variables are equal to the product of the mathematical expectation of the individual random variables. In other words,

E(XY)= E(X) E(Y), provided all the expectations exist.

This property of the mathematical expectation also has the generalized form, which states that the mathematical expectation of the product of the ‘n’ number of random variables is equal to the product of the mathematical expectation of the individual ‘n’ number of the random variables. In other words,

E(X1X2 …… Xn) = E(X1)E(X2) …… E(Xn), provided all the expectations exist.

The third property of the mathematical expectation states that if X is some random variable and ‘a’ is some constant, then the mathematical expectation of the product of the constant and the function of that random variable is equal to the product of the constant and the mathematical expectation of the function of that random variable. Also, the mathematical expectation of the sum of the constant and the function of that random variable is equal to the sum of the mathematical expectation of the function of that random variable and the constant. In other words,

E(a f(x))=aE(f(x) and E(a+f(x))=a+E(f(x)), provided all the expectations exist.

The fourth property of the mathematical expectation states that if X is some random variable and ‘a’ and ‘b’ are some constants, then the mathematical expectation of the sum of the product of the constant ‘a’ and the random variable and the other constant ‘b’ is equal to the sum between the product of the constant ‘a’ and the mathematical expectation of that random variable and the other constant ‘b.’ In other words,

E(aX+b)=aE(X)+b, provided that all the expectations exist.

The fifth property of the mathematical expectation states that if X1, X2, …. Xn are ‘n’ random variables and a1,a2,…. ,an are ‘n’ constants, then the following is true:

E(ai xi)= ai E(Xi), provided all the expectations exist.