The manager of a designer clothing outlet is interested in estimating the difference between the mean turnover rate in Branch A versus that in Branch B. The result of the test for the difference between the two population means showed a test statistic value of -2.91, with a p-value of 0.0018. What is the conclusion that can be reached, at a 0.01 level of significance, about the difference in the average turnover rate in the 2 branches of the designer clothing outlet? a) There is a statistically significant difference in the average turnover rate in the 2 branches of the designer clothing outlet. b) There is no statistically significant difference in the average turnover rate in the 2 branches of the designer clothing outlet. c) None of the given statements. d) It is impossible to make a decision on the basis of the information given