The XYZ Corporation is interested in possible differences in days worked by sala

Question

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?

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?

Explanation / Answer

applying one way ANOVA on above data:

Groups mean n std dev Variance   Budgets (5 workers) 261.2 5 11.95 142.70   Payables (10 workers) 238.0 10 21.24 451.11   Pricing (8 workers) 244.4 8 9.46 89.41

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