The statistical hypothesis for a test on a mean is given below, as well as the reduced difference obtained for this test.

H0: m = 180

H1: m 180

n = 25

Reduced deviation t = 1.47

Determine the descriptive threshold, ap

Options from question 20:

0,4227

0,3454

0,1546

0,0773

0.4614

0.0387