The manager of a computer software company wishes to study thenumber of hours senior executives by type of industry spend attheir desktop computers. The manager selected a sample of fiveexecutives from each of three industries. At the .05 significancelevel, can she conclude there is a difference in the mean number ofhours spent per week by industry?
Banking | Retail | Insurance |
32 | 28 | 30 |
30 | 28 | 28 |
30 | 26 | 26 |
32 | 28 | 28 |
30 | 30 | 30 |
PLEASE SHOW ANSWER WITHOUT USING MINI TAB ORSOFTWARE
