Compute the test statistic F to test the claim that o2/1 >o2/2 . Two samples are randomly selected from populations that are normal. The sample statistics are given below. Use ? = 0.02.n1 = 13n2 = 12s2/1= 13.328s2/2= 10.626. Choices are:
1.573
1.254
1.120
0.797