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Find the linear regression line

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A. A survey of SAT Math(x variable) and IQ scores(y variable) is completed for a group of college students. The average SAT Math score is 509 and the SD is 108 and the average IQ is 112 and the SD is 14. A scatter diagram is plotted and the correlation coefficient is found to be 0.7.

  1. Find the linear regression line. y= ?

B. Use the regression line to estimate the IQ if the SAT Math score is given below.

  1. SAT Math=521, predicted IQ= ?
  2. SAT Math=706, predicted IQ= ?

Reference no: EM132388415

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