Use the Data Below and the Regression Model

question 9

Multiple Choice

Use the data below and the regression model. What is the sales forecast if Gamma is expected to be 21? (Round your forecast to the nearest number of whole units.)

• A)42
• B)36
• C)48
• D)39

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, used in statistics to quantify the degree to which individual data points differ from the mean value of the data set.

Sample Range

The difference between the largest and smallest values in a sample, indicating the spread of the data within the sample.