2. Suppose you want to test the claim that ... Two samples are randomly selected from normal population The sample statistics are given below. Assume that o, *0
At a level of significance of a = 0.01, when should you reject ?
n = 25
X = 21
S = 15
D2 = 30
X = 19
Sz=19
A) Reject H, if the standardized test statistic is less than -2.789 or greater than 2.797.
B) Reject H, if the standardized test statistic is less than-1.711 or greater than 1.711.
C) Reject H, if the standardized test statistic is less than -2.797 or greater than 2.797.
D) Reject H, if the standardized test statistic is less than -2.492 or greater than 2.492