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Provide an appropriate response. In a study of the relationship between weight and height, a sample regression equation is obtained, in which height is used
Provide an appropriate response. In a study of the relationship between weight and height, a sample regression equation is obtained, in which height is used as the predictor variable. This sample regression equation is then used to make inferences. Which of the following statements is true?
| A 95% confidence interval for the mean weight of all subjects of height 65 inches will be narrower than a 95% prediction interval for the weight of an individual of height 65 inches. |
| A 95% confidence interval for the mean weight of all subjects of height 65 inches will be the same width as a 95% prediction interval for the weight of an individual of height 65 inches. |
| A 95% confidence interval for the mean weight of all subjects of height 65 inches will be wider than a 95% prediction interval for the weight of an individual of height 65 inches. |
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Linear Algebra and Its Applications
Authors: David C. Lay
4th edition
321791541, 978-0321388834, 978-0321791542
