Question: 2] In Problem Set 2 you calculated a correlation for Number of Friends and Overall Health [#3 on Correlation Practice Problems. table re-appears below}. a)

2] In Problem Set 2 you calculated a correlation for Number of Friends and Overall Health [#3 on Correlation Practice Problems. table re-appears below}. a) Determine the raw score prediction formula for predicting Health from Number of Friends (see table below}. bl Use this formula to nd the predicted health for each research participant. c) Plot the predicted values of health. d] Calculate the total error in health. the residual error (the sum of the squared differences between predicted and raw scores). and the reduction In error. e) Interpret the reduction in error. Data from #3 on Co rreiation practice problems. 2mm 1.533 41.208 -0.372 41.307 0.830 -1.024

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