What is a one sample t test? The t test is a commonly used hypothesis test in statistics that allows us to compare the mean value of a group of sampled data with some hypothesized value, usually a ...

A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model ...

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...

This is a preview. Log in through your library . Abstract Considering two independent Poisson processes, we address the question of testing equality of their respective intensities. We first propose ...