Presidents and first ladies: The following table presents the ages of 9 U.S. presidents and their wives on the first day of their presidencies. Use a calculator to compute the following. Name Her Age...

Compute the least-square regression line for predicting the president's age from the first lady's age. Round the slope and -intercept values to at least four decimal places.

Extracted text: Presidents and first ladies: The following table presents the ages of 9 U.S. presidents and their wives on the first day of their presidencies. Use a calculator to compute the following. Name Her Age His Age Barack and Michelle Obama 45 47 George W. and Laura Bush 54 54 Bill and Hillary Clinton 45 46 George and Barbara Bush 55 64 Ronald and Nancy Reagan 59 69 Jimmy and Rosalynn Carter 49 52 Gerald and Betty Ford 56 61 Richard and Pat Nixon 56 56 John and Jacqueline Kennedy 31 43 Send data to Excel


Extracted text: (a) Compute the least-square regression line for predicting the president's age from the first lady's age. Round the slope and y-intercept values to at least four decimal places. Regression line equation: y =