Question: 10.16 An office has three computers, A, B, and C. In a study of computer usage, the firm has kept records on weekly use rates

10.16 An office has three computers, A, B, and C. In a study of computer usage, the firm has kept records on weekly use rates for 7 weeks, except that computer A was out for repairs for part of 2 weeks. The eventual goal is to decide which computers to put under a service contract because they have a higher usage rate. As a first step in this study, analyze the data below on weekly computer usage rates to determine whether there is a significant difference in average usage.

Can you make a preliminary recommendation?

A B C 12.3 15.7 32.4 15.4 10.8 41.2 10.3 45.0 35.1 8.0 12.3 25.0 14.6 8.2 8.2 20.1 18.4 26.3 32.5

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