Answer Happy

Fill in the blanks a. The significance level is the probability of in a statistical test. b. A statistic is an equation (or formula) whose value can be determined solely by the information in c. When we perform a test on the ratio of two variances, the associated distribution is distribution. d. We want to do a statistical test on the difference of two means. The sample sizes are 10 and 12. We know the true variances of the two populations. To use the (X;-Xz) - (41-42) formula shown, we need to know if the two Z= populations have the property of