A t test is a statistical test that is used to compare the means of two groups. It is often used in hypothesis testing to determine whether a process or treatment actually has an effect on the population of interest, or whether two groups are different from one another.
A t-test (also called Student’s t-test) is a statistical method used to assess the difference between the means of exactly two groups. It concentrates on a single numerical variable, rather than focusing on counts or relationships among multiple variables.:max_bytes(150000):strip_icc()/cash_flow-5bfc31ba46e0fb00511acd46.jpg)
Calculating a t-test requires the difference between the mean values from each data set, the standard deviation of each group, and the number of data values. T-tests can be dependent or...