Exercise 9.43 gives output for a regression model to predict grade point average in college based on score on the Verbal SAT exam. Use this output, together with any helpful summary statistics from Table 9.4, to calculate the following regression quantities:

Table 9.4

(a) The standard deviation of the error term, s_Ñ”.
(b) The standard error of the slope, SE.

Exercise 9.43

How well does a student€™s Verbal SAT score (on an 800-point scale) predict future college grade point average (on a four-point scale)? Computer output for this regression analysis is shown, using the data in StudentSurvey:

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Std.Dev. Mean Sample Size 345 345 3.1579 0.3983 74.29 GPA VerbalSAT 594.0 The regression equation is GPA = 2.03 + 0.00189 VerbalSAT Analysis of Variance Source Regression Residual Error Total DF MS 6.8029 0.1393 6.8029 48.84 0.000 343 47.7760 54.5788 344