Question

Assume that the two variables x and y are related according to the simple linear regression model. Summary quantities are n = 15, ? y = 582, ? y² = 23640, ? x = 53, ? x² = 167.42 and ? xy = 1687.9. Calculate the least squares estimate of the slope and intercept.

          Assume that the two variables x and y are related according to the simple linear
regression model. Summary quantities are
n = 15, ? y = 582, ? y² = 23640, ? x = 53, ? x² = 167.42 and ? xy = 1687.9.
Calculate the least squares estimate of the slope and intercept.

Assume that the two variables x and y are related according to the simple linear
regression model. Summary quantities are
n = 15, ? y = 582, ? y² = 23640, ? x = 53, ? x² = 167.42 and ? xy = 1687.9.
Calculate the least squares estimate of the slope and intercept.

Added by Lucas A.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Prabhakar Kumar

06/02/2022

Step 1

9 - 53 \times 582}{15 \times 167.42 - 53^2} \] \[ m = \frac{25318.5 - 30906}{2511.3 - 2809} \] \[ m = \frac{-5587.5}{-297.7} \] \[ \boxed{m = 18.767} \] Show more…

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Assume that the two variables x and y are related according to the simple linear regression model. Summary quantities are n = 15, Σy = 582, Σy² = 23640, Σx = 53, Σx² = 167.42, and Σxy = 1687.9. Calculate the least squares estimate of the slope and intercept.