SCENARIO 14-1 A Manager of a Product Sales Group Believes the Number

question 59

Multiple Choice

SCENARIO 14-1
A manager of a product sales group believes the number of sales made by an employee (Y) depends on how many years that employee has been with the company (X₁) and how he/she scored on a business aptitude test (X₂) .A random sample of 8 employees provides the following:

-Referring to Scenario 14-1,for these data,what is the estimated coefficient for the variable representing scores on the aptitude test,b₂?

• A)0.998
• B)3.103
• C)4.698
• D)21.293

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Definitions:

Confidence Interval

A range of values, derived from sample statistics, that is believed to contain the true value of a population parameter with a specified level of confidence.

Population Proportion

The fraction or percentage of members in a population that exhibit a particular trait or characteristic.

Confidence Level

The percentage of times that a confidence interval, if repeated from multiple samples, would encompass the true population parameter.

Population Parameter

A numerical value that represents a characteristic of an entire population, such as mean or variance.