Exhibit 13-12
in a Laboratory Experiment, Data Were Gathered on the Life

question 28

Multiple Choice

Exhibit 13-12
In a laboratory experiment, data were gathered on the life span Y in months) of 33 rats, units of daily protein intake X1) , and whether or not agent X2 a proposed life extending agent) was added to the rats diet X2 = 0 if agent X2 was not added, and X2 = 1 if agent was added.) From the results of the experiment, the following regression model was developed.
$\hat { Y }$ =36+0.8X1 - 1.7X2
Also provided are SSR = 60 and SST = 180.
-Refer to Exhibit 13-12. The p-value for testing the significance of the regression model is

• A) less than 0.01
• B) between 0.01 and 0.025
• C) between 0.025 and 0.05
• D) between 0.05 and 0.10

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Definitions:

Heredity

The transmission of genetic characteristics from parents to offspring.

Personality Characteristics

Enduring attributes or traits of an individual that influence behaviors and reactions across various situations.

Group Membership

The inclusion of individuals within a collective that share common goals, interests, or identities.

Life Experiences

The events, situations, and milestones that an individual encounters throughout their life, shaping their personality and outlook.