T Test Formula. If tails is any value other than 1 or 2 t test returns the num. The unpaired two sample t test which is used to compare the mean of two independent given samples.
The formula for t test is given below. Independent two sample t test. The student s t test is shown below.
T mean 1 mean 2 s diff n where.
If array1 and array2 have a different number of data points and type 1 paired t test returns the n a error value. T test formula t test definition. Mean 1 and mean 2 the average values of each of the sample sets s diff the standard deviation of the differences of the paired data values n. The paired t test which is used to compare the means between two groups of samples that are related.
