Exhibit 13-2
a Regression Model Between Sales Y in $1,000) $\hat { Y }$

question 58

Multiple Choice

Exhibit 13-2
A regression model between sales Y in $1,000) , unit price X1 in dollars) and television advertisement X2 in dollars) resulted in the following function:
$\hat { Y }$ =7-3X1+5X2
For this model SSR = 3500, SSE = 1500, and the sample size is 18.
-Refer to Exhibit 13-2. The multiple coefficient of correlation for this problem is

• A) 0.70
• B) 0.8367
• C) 0.49
• D) 0.2289

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Definitions:

Ages of Jockeys

Refers to the distribution or range of years that professional riders of horses in races fall into.

Extreme Values

Values in a data set that are significantly higher or lower than the majority of the observations.

Box Plot

A standardized way of displaying the distribution of data based on a five number summary: minimum, first quartile, median, third quartile, and maximum.

Distribution

The method by which something is distributed among a group or dispersed across an area.