Are mean annual attendance rates same for departments

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Reference no: EM13138521

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? DaysWorked

Days Worked Last Year by 23 Employees

Department Days Worked

Budgets (5 workers) 278 260 265 245 258

Payables (10 workers) 205 270 220 240 255 217 266 239 240 228

Pricing (8 workers) 240 258 233 256 233 242 244 249

Reference no: EM13138521

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