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Business Statistics, 3rd Edition
book

Business Statistics, 3rd Edition

by Naval Bajpai
April 2024
Intermediate to advanced content levelIntermediate to advanced
921 pages
37h 16m
English
Pearson India
Content preview from Business Statistics, 3rd Edition
Chapter 15
PB
Multiple Regression Analysis
603
Figure 15.60 is the regression output produced using Minitab for the data given in Table15.12.
From the output (Figure 15.60), it can be seen that number of showrooms which is a collinear var-
iable is identi ed and is automatically dropped from the model. The  nal output contains only one
independent variable that is advertisment.
TABLE 15.12
Sales as the dependent variable and advertisement and number of showrooms as the
independent variables
Sales (in thousand rupees) Advertisement (in thousand rupees) Number of showrooms
10 5 3
13 3 1
15 4 2
16 7 5
17 9 7
18 6 4
20 8 6
22 10 8
26 12 10
29 11 9
30 10 8
35 9
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Publisher Resources

ISBN: 9789390168996