Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Biomonitoring involves the assessment of human or animal populations by measuring organic or biological compounds or their metabolites in the body fluids or tissues of individuals in those populations ...

This is a preview. Log in through your library . Abstract Methods for estimating the size of a population of individuals usually require multiple samples from the group. We consider a population ...

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 ...

A t-test for population means compares the means between two populations. It is appropriate when the population standard deviations are unknown. This applet allows users to change the distributions of ...

As a business owner, you are constantly figuring out what your current customers want and what your potential customer needs. The data can be tracked in a variety of ways, from polls and surveys to ...