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yashreds yashreds
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2 years ago
Use the information below to answer the following question(s).

Cars.com would like to use simple regression to predict the selling price of a used car, in thousands of dollars, based on the age of the car in years. A random sample of used cars was selected and the result of the regression analysis is shown below. 




Which one of the following statements is true using α = 0.05?

▸ Because the 95% confidence interval for the population slope includes zero, we can reject the null hypothesis and conclude that there is a relationship between the age and selling price of a used car.

▸ Because the 95% confidence interval for the population slope includes zero, we fail to reject the null hypothesis and conclude that there is a relationship between the age and selling price of a used car.

▸ Because the 95% confidence interval for the population slope does not include zero, we fail to reject the null hypothesis and conclude that there is a relationship between the age and selling price of a used car.

▸ Because the 95% confidence interval for the population slope does not include zero, we can reject the null hypothesis and conclude that there is a relationship between the age and selling price of a used car.
Textbook 
Business Statistics

Business Statistics


Edition: 2nd
Author:
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gaatnggaatng
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2 years ago
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Good timing, thanks!
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You make an excellent tutor!
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