A study investigating the relationship between the major league batting average of non-pitching rookies (y) and their career minor league batting average (x) yields the following data:
a) Write the estimated regression line below.
b) On the graph below, sketch the sample regression line using the information above. Be sure to label and scale your axes correctly.
c) What is your estimate of the average change in major-league batting average associated with an increase of 0.050 in the career minor-league batting average?
d) What major-league batting average would you predict for a randomly selected individual with a career minor-league batting average of 0.300?
e) The value of s_e is 0.015. Interpret s_e in the context of this problem.

Question

A study investigating the relationship between the major league batting average of non-pitching rookies (y) and their career minor league batting average (x) yields the following data:

a) Write the estimated regression line below.
b) On the graph below, sketch the sample regression line using the information above. Be sure to label and scale your axes correctly.

c) What is your estimate of the average change in major-league batting average associated with an increase of 0.050 in the career minor-league batting average?
d) What major-league batting average would you predict for a randomly selected individual with a career minor-league batting average of 0.300?
e) The value of s_e is 0.015. Interpret s_e in the context of this problem.

Quizplus · Accepted Answer

The Answer of A study investigating the relationship between the major league batting average of non-pitching rookies (y) and their career minor league batting average (x) yields the following data: a) Write the estimated regression line below. b) On the graph below, sketch the sample regression line using the information above. Be sure to label and scale your axes correctly. c) What is your estimate of the average change in major-league batting average associated with an increase of 0.050 in the career minor-league batting average? d) What major-league batting average would you predict for a randomly selected individual with a career minor-league batting average of 0.300? e) The value of s_e is 0.015. Interpret s_e in the context of this problem.

A Study Investigating the Relationship Between the Major League Batting