In a Significant Regression Model Determining If There Is a Relationship

question 6

Multiple Choice

In a significant regression model determining if there is a relationship between college GPA and sales performance (number of units sold in the previous month) , the 95% confidence interval for the number of units sold when GPA = 3.00 was
Determined to be 20.914 to 22.657. The correct interpretation is

• A) We can be 95% confident that the number of units sold per month by a particular Salesperson with a college GPA of 3.00 is between 20.914 and 22.657 units.
• B) We can be 95% confident that the average number of units sold per month by Salespersons with a college GPA of 3.00 is between 20.914 and 22.657 units.
• C) The number of units sold per month by a salesperson with a college GPA of 3.00 Will be between 20.914 and 22.657 units 95% of the time.
• D) 95% of the time the average number of units sold per month will be between 20.914 and 22.657 units.
• E) We can be 95% confident that each month between 20.914 and 22.657 units will Be sold.

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Definitions:

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