In a Chi-Square Test of Independence, the Number of Degrees

question 43

Multiple Choice

In a chi-square test of independence, the number of degrees of freedom equals the:

• A)number of observations minus one.
• B)number of categories minus one.
• C)number of rows minus one times the number of columns minus one.
• D)number of sample observations minus the missing observations.

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Definitions:

Activity Variance

The difference between what was expected in terms of expenses or revenues for a particular activity level and what was actually realized.

Vehicle Operating Cost

The total expense associated with keeping a vehicle running, including fuel, maintenance, insurance, and depreciation.

Spending Variance

The difference between the actual amount spent and the budgeted amount for a particular expense category in a specific period.

Catering Supplies

Items such as utensils, dishes, and food ingredients required for preparing and serving food in catering services.