A random sample of records of electricity usage 2 = 0.71. Assume that a linear model is appropriate. Interpret r. homes gives the amount of electricity used and size (in square feet) of 135 homes. A simple linear regression to predict the amount of electricity used (in kilowatt-hours) based on size has an O A. The prediction error using the regression line to predict electricity use is 71% smaller than the prediction error using y to predict it. O B. The prediction error for predicting electricity use is about the same when using the regression line and y O C. The prediction error using the regression line to predict electricity use is 29% larger than the prediction error using y to predict it. O D. The prediction error using the regression line to predict electricity use is 71% larger than the prediction error using y to predict it. O E. The prediction error using the regression line to predict electricity use is 29% smaller than the prediction error using y to predict it.

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A random sample of records of electricity usage of homes gives the amount of electricity used and size (in square feet) of 135 homes. A simple linear regression to predict the amount of electricity used (in kilowatt-hours) based on size has an
* = 0.71. Assume that a linear model is appropriate. Interpret r.
O A. The prediction error using the regression line to predict electricity use is 71% smaller than the prediction error using y to predict it.
B. The prediction error for predicting electricity use is about the same when using the regression line and y.
C. The prediction error using the regression line to predict electricity use is 29% larger than the prediction error using y to predict it.
D. The prediction error using the regression line to predict electricity use is 71% larger than the prediction error using y to predict it.
O E. The prediction error using the regression line to predict electricity use is 29% smaller than the prediction error using y to predict it.
Transcribed Image Text:A random sample of records of electricity usage of homes gives the amount of electricity used and size (in square feet) of 135 homes. A simple linear regression to predict the amount of electricity used (in kilowatt-hours) based on size has an * = 0.71. Assume that a linear model is appropriate. Interpret r. O A. The prediction error using the regression line to predict electricity use is 71% smaller than the prediction error using y to predict it. B. The prediction error for predicting electricity use is about the same when using the regression line and y. C. The prediction error using the regression line to predict electricity use is 29% larger than the prediction error using y to predict it. D. The prediction error using the regression line to predict electricity use is 71% larger than the prediction error using y to predict it. O E. The prediction error using the regression line to predict electricity use is 29% smaller than the prediction error using y to predict it.
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