Example 6 X 41 35 34 Y 32 20 35 24 27 28 40 33 42 37 42 30 43 31 33 26 41 The table above shows the scores of 10 salespersons who took a test designed to assess their aptitude for the job (x) and their corresponding sales productivity scores (y). Calculate the regression line y= a+bx and interpret the value of the slope. Estimate the sales productivity score of a person whose aptitude score is 39.

MATLAB: An Introduction with Applications
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ISBN:9781119256830
Author:Amos Gilat
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X
*
41
K
*
Example 6
35 34
40
33
Y 32 20 35 24 27
42 37
28
31
42 30 43
33 26 41
The table above shows the scores of 10 salespersons who took a test
designed to assess their aptitude for the job (x) and their
corresponding sales productivity scores (y).
Calculate the regression line y= a+bx and interpret the value of the
slope.
Estimate the sales productivity score of a person whose aptitude
score is 39.
Transcribed Image Text:X * 41 K * Example 6 35 34 40 33 Y 32 20 35 24 27 42 37 28 31 42 30 43 33 26 41 The table above shows the scores of 10 salespersons who took a test designed to assess their aptitude for the job (x) and their corresponding sales productivity scores (y). Calculate the regression line y= a+bx and interpret the value of the slope. Estimate the sales productivity score of a person whose aptitude score is 39.
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