Thomas J. Madden, and Neil A. Firtle discuss the relationship between delivery time and computer-assisted ordering. A
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TABLE 12.7
A Contingency Table Relating Delivery Time and Computer-Assisted Ordering
a. Test the hypothesis that delivery time performance is independent of whether computer-assisted ordering is used. What do you conclude by setting α = .05?
b. Verify that a chi-square test is appropriate.
c. Is there a difference between delivery-time performance between firms using computer assisted ordering and those not using computer-assisted ordering?
d. Carry out graphical analysis to investigate the relationship between delivery-time performance and computer-assisted ordering. Describe the relationship.
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Related Book For
Business Statistics In Practice
ISBN: 9780073401836
6th Edition
Authors: Bruce Bowerman, Richard O'Connell
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