T Test Excel. Select the variable 1 range and variable 2 range. T test formula in excel array1.
If tails 1 t test uses the one tailed distribution. Excel t test function step 1. Use ttest to determine whether two samples are likely to have come from the same two underlying populations that have the same mean.
It is the second data set.
Click the arrow next to the array1 box to expand the window again. Paired two sample equal variance. For variable 1 range select the sample 1 range column b and for variable 2 range select the sample 2 data column c while the hypothesized mean difference is 0. Two sample assuming unequal variances.