Why Is Post Hoc Statistical Testing Not Performed with a Two-Group

question 7

Multiple Choice

Why is post hoc statistical testing not performed with a two-group ANOVA?

• A)A researcher is reluctant to perform a post hoc analysis that would require a more stringent level of significance.
• B)The F-statistic would be invalidated by the second test.
• C)If hypothesis testing reveals that a difference between groups exists, it is obvious what two groups those are.
• D)Sample sizes are not large enough for this analysis.

---

Definitions:

Spending Variance

The difference between the actual amount of money spent and the budgeted amount, often analyzed in cost management.

Customers Served

The total number of customers who receive service or goods from a company within a specified period.

Fixed and Variable Cost

Costs that remain constant regardless of the level of production or sales (fixed) and costs that change in proportion to the level of production or sales (variable).

Total Expenses

The sum of all costs and expenses incurred by a business, including cost of goods sold and operational expenses.