T Test Excel Formula. If tails 1 t test uses the. Type is the kind of t test to perform.
T test formula in excel array1. To perform a t test execute the following steps. First perform an f test to determine if the variances of the two populations are equal.
Use ttest to determine whether two samples are likely to have come from the same two underlying populations that have the same mean.
T test value is calculated using the formula given below. Ttest array1 array2 tails type array1 is the first data set. This is the first set of sample you are testing. T test value is calculated using the formula given below.