In the analysis of microarray data, and in some other contemporary statistical problems, it is not uncommon to apply hypothesis tests in a highly simultaneous way. The number, N say, of tests used can ...

In Hypothesis Testing 1, 2 and 3, you have used normal and t-distributions to test hypotheses. Chi-Square tests use the Chi-Square probability distribution. You will be introduced to the use of that ...

Christina Majaski writes and edits finance, credit cards, and travel content. She has 14+ years of experience with print and digital publications. Khadija Khartit is a strategy, investment, and ...

In some life testing situations the minimum life can be nonzero. This paper develops O. C. curves for a hypothesis test concerning the minimum life where the underlying failure distribution is ...

A study in this issue presents a new mouse model that directly tests the glutamate hypothesis of schizophrenia. The study reports that a decrease in NMDA receptor signaling during a particular ...

At times we wish to examine statistical evidence, and determine whether it supports or contradicts a claim that has been made (or that we might wish to make) concerning the entire population. This is ...