Science is all about interrogating and disproving theories. Scientists in most quantitative fields will conduct p value testing as a method of statistical investigation. A low p value is an indicator ...

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 ...

The P value reported by tests is a probabilistic significance, not a biological one. Figure 2: Repeated independent observations are used to estimate the s.d. of the null distribution and derive a ...