Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

Statistics is a branch of math that involves the collection, description, analysis, and inference of conclusions from quantitative data. But what is a statistic? Let’s find out. The word statistic is ...

Whatever study you choose to conduct, it will probably have a target population. The target population is the group of people who could be involved in your study. For example, if you wanted to do some ...

This is a preview. Log in through your library . Abstract The use of sample quasi-ranges in estimating the standard deviation of normal, rectangular, and exponential populations is discussed. For the ...

Every election year, questions arise about how polling techniques and practices might skew poll results one way or the other. In the final weeks before this year’s election, the practice of ...

This is a preview. Log in through your library . Abstract This paper considers from a Bayesian viewpoint inferences about the size of a closed animal population from data obtained by a ...