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The XYZ Corporation is interested in possible differences in days worked by salaried employees in three departments in the financial area. A survey of 23
The XYZ Corporation is interested in possible differences in days worked by salaried employees in three departments in the financial area. A survey of 23 randomly chosen employees reveals the data shown below. Because of the casual sampling methodology in this survey, the sample sizes are unequal. Research question: Are the mean annual attendance rates the same for employees in these three departments?
Budgets | Payables | Pricing |
278 | 205 | 240 |
260 | 270 | 258 |
265 | 220 | 233 |
245 | 240 | 256 |
258 | 255 | 233 |
217 | 242 | |
266 | 244 | |
239 | 249 | |
240 | ||
228 |
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