The self-reported number of’ hours worked by 204? Top executives is given below. (a) Estimate the mean, standard deviation and coefficient of variation, using an Excel worksheet to organize your calculations (b) Do the unequal class size hamper your calculations? Why do you suppose that was done?
Weekly Hours of Work by Top Executives Work | ||
From | To | f |
40 | 50 | 12 |
50 | 60 | 116 |
60 | 80 | 74 |
80 | 100 | 2 |
| Total | 204 |
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