In: Statistics and Probability
Using a = 0.05, test for a difference in the means.
group n mean sample std dev
1 20 8.3 3.0
2 20 7.2 3.0
ttest m 1 = m 2 ( VS NE ) t = 1.16
From the given information t test for difference in the means is calculated-
◆ Test Calculation and results-