The manager of a computer software company wishes to study the number of hours per week senior executives by type of industry spend at their desktop computers. The manager selected a sample of five executives from each of three industries. At the 0.05 significance level, can she conclude there is a difference in the mean number of hours spent per week by industry? Banking 32 30 30 32 30 Retail 28 28 26 28 30 Insurance 30 28 26 28 30 b. What is the critical value? (Round your answer to 2 decimal places.) X Answer is complete but not entirely correct. The critical value is 12.00 x c. Compute the test statistic. (Round your answer to 2 decimal places.) X Answer is complete but not entirely correct. The test statistic is 3.89 x