Exhibit 14-3
Regression Analysis Was Applied Between Sales Data (In $\alpha$

question 6

Multiple Choice

Exhibit 14-3
Regression analysis was applied between sales data (in $1,000s) and advertising data (in $100s) and the following information was obtained.
-Refer to Exhibit 14-3. Using $\alpha$ = 0.05, the critical t value for testing the significance of the slope is

• A)1.753
• B)2.131
• C)1.746
• D)2.120

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Definitions:

Childhood Development

The physiological, psychological, and emotional changes that occur in humans between birth and the end of adolescence.

Reaction Speed

The time it takes for an individual to respond to a stimulus or external event.

Dependent Variable

The variable in an experimental setup that is expected to change in response to manipulations in the independent variable.

Pill Dosage

The prescribed amount of medication to be taken at one time or at specified intervals.