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 ...

Here we are going to explore basic Gap Analysis in R. It shows different types of graphical gap analysis and concludes with the t-test. Recall that the task is to determine whether there is a ...

In the Two-Sample Test for Proportions task, you can determine whether two probabilities are the same. The data analyzed in this example are taken from a study measuring the accuracy of two computer ...