Following is a portion of the computer output for a regression analysis relating y = maintenance expense (dollars per month) to x = usage (hours per week) of a particular brand of computer terminal. Analysis of Variance Regression Equation Y = 6.1092 + .8951 X a. Write the estimated regression equation. b. Use a t test to determine whether monthly maintenance expense is related to usage at the .05 level of significance. c. Use the estimated regression equation to predict monthly maintenance expense for any terminal that is used 25 hours per week.

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STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884
BuyFind

STATISTICS F/BUSINESS+ECONOMICS-TE...

13th Edition
Anderson
Publisher: CENGAGE L
ISBN: 9781305881884

Solutions

Chapter
Section
Chapter 14.7, Problem 41E
Textbook Problem

Following is a portion of the computer output for a regression analysis relating y = maintenance expense (dollars per month) to x = usage (hours per week) of a particular brand of computer terminal.

Analysis of Variance

Chapter 14.7, Problem 41E, Following is a portion of the computer output for a regression analysis relating y = maintenance

Regression Equation

Y = 6.1092 + .8951 X

  1. a. Write the estimated regression equation.
  2. b. Use a t test to determine whether monthly maintenance expense is related to usage at the .05 level of significance.
  3. c. Use the estimated regression equation to predict monthly maintenance expense for any terminal that is used 25 hours per week.

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Chapter 14 Solutions

STATISTICS F/BUSINESS+ECONOMICS-TEXT
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