A Simple Linear Regression Model Was Used to Describe the Relationship

question 13

Multiple Choice

A simple linear regression model was used to describe the relationship between concentration y (measured in the scores of a specially designed test) and the room temperature x (in °F) . A random sample of 15 observations was used to produce the accompanying Minitab output. Calculate a 95% confidence interval for β, the average change in the test score associated with a 1 °F increase in room temperature, using the output. Round your answers to three decimal places. ​ ​

• A) (−0.008, 0.738)
• B) (−0.413, 1.143)
• C) (−0.423, 1.154)
• D) (−0.013, 0.743)
• E) (−0.024, 0.749)

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