One-Way ANOVA
The manager of a computer software company wishes to study the number of hours senior executives spend at their desktop computers by type of industry. The manager selected a sample of five executives from each of three industries. At the .05 significance level, can she conclude there is a difference in the mean number of hours spent per week by industry?
|
Banking |
Retail |
Insurance |
|
12 |
8 |
10 |
|
10 |
8 |
8 |
|
10 |
6 |
6 |
|
12 |
8 |
8 |
|
10 |
10 |
10 |
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