7. The equation of the regression line is given by A. y = −116.01 + 0.12x B. y = 1321.32 − 7.64x C. y = 116.01 + 0.12x D. y = 7.64x + 1321.32
7. The equation of the regression line is given by A. y = −116.01 + 0.12x B. y = 1321.32 − 7.64x C. y = 116.01 + 0.12x D. y = 7.64x + 1321.32
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
7. The equation of the regression line is given by
A. y = −116.01 + 0.12x
B. y = 1321.32 − 7.64x
C. y = 116.01 + 0.12x
D. y = 7.64x + 1321.32

Transcribed Image Text:An important application of regression analysis is in the estimation of cost. By
collecting data on volume and cost and using the least squares method to
develop an estimated regression equation relating volume and cost, one can
estimate the cost associated with a particular manufacturing volume. Consider
the following sample of monthly production volumes and total costs data for a
manufacturing operation for the year 2018.
Month
Production Volume (units)
Total Costs ($)
January 2018
February 2018
500
6,000
350
4,000
March 2018
450
5,000
April 2018
May 2018
550
5,400
600
5,900
June 2018
400
4,000
July 2018
August 2018
September 2018
400
4,200
350
3,900
400
4,300
October 2018
600
6,000
November 2018
700
6,400
December 2018
750
7,000
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