Roughly speaking, a p-value is the probability of obtaining a study result by random chance if the null hypothesis is true. The smaller the p-value, the less likely it is that an observed result ...

Confidence intervals and hypothesis tests are directly linked ... Here's another distinction between what a p-value and CI tells us: a p-value answers the question "How surprising is my sample?" The ...

Successful completion of this course demonstrate your achievement of the following learning outcomes for the MS-DS program: Define a composite hypothesis and the level of significance for a test with ...

The null hypothesis is proposed by a scientist before completing an experiment, and it can be either supported by data or disproved in favor of an alternate hypothesis. The chi-square value is ...