Posted: March 17th, 2023
A manager of a product sales group believes the number of sales made
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:
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What is the value of the intercept?
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What is the estimated coefficient for the variable representing the years an employee has been with the company (b1)?
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What is the estimated coefficient for the variable representing scores on the aptitude test (b2)?
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What is the amount of error incurred by using the regression to predict sales?
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What is the variation in sales explained by years and score corrected for the number of variables and the sample size?
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If an employee who had been with the company 5 years scored a 9 on the aptitude test, what would his estimated expected sales be?
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Generally, we can claim with 95% confidence that sales persons who have been with company for 5 years and who score 9 on the aptitude test will have sales between
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What p value results from the test whether there is a linear relationship between all the X values taken together and Y?