Homework Help is Here – Start Your Trial Now!
Math
Statistics
In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil A. Firtle discuss the relationship between delivery time and computer-assisted ordering. A sample of 40 firms shows that 16 use computer-assisted ordering, while 24 do not. Furthermore, past data are used to categorize each firm's delivery times as below the industry average, equal to the industry average, or above the industry average. The results obtained are given in the table below. A Contingency Table Relating Delivery Time and Computer-Assisted Ordering Computer- Assisted Ordering No Yes Column total Delivery Time Equal to Industry Average 12 Below Industry Average Above Industry Average 8 Row Total 4 24 10 4 16 40 14 16 10 Click here for the Excel Data File (a) Test the hypothesis that delivery time performance is independent of whether computer-assisted ordering is used. What do you conclude by setting a= .05? Reject HO. independence. (b) Verify that a chi-square test is appropriate. The test is valid because the number of cells exceeds the average of the Eij is greater than and the smallest Eij is greater than

In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil A. Firtle discuss the relationship between delivery time and computer-assisted ordering. A sample of 40 firms shows that 16 use computer-assisted ordering, while 24 do not. Furthermore, past data are used to categorize each firm's delivery times as below the industry average, equal to the industry average, or above the industry average. The results obtained are given in the table below. A Contingency Table Relating Delivery Time and Computer-Assisted Ordering Computer- Assisted Ordering No Yes Column total Delivery Time Equal to Industry Average 12 Below Industry Average Above Industry Average 8 Row Total 4 24 10 4 16 40 14 16 10 Click here for the Excel Data File (a) Test the hypothesis that delivery time performance is independent of whether computer-assisted ordering is used. What do you conclude by setting a= .05? Reject HO. independence. (b) Verify that a chi-square test is appropriate. The test is valid because the number of cells exceeds the average of the Eij is greater than and the smallest Eij is greater than

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.3: Conditional Probability; Independent Events; Bayes' Theorem
Problem 80E
See similar textbooks
icon
Related questions
Question
In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil A. Firtle discuss the relationship between delivery time and computer-assisted ordering. A sample of 40 firms shows that 16 use computer-assisted ordering, while 24 do not. Furthermore, past data are used to categorize each firm's delivery times as below the industry average, equal to the industry average, or above the industry average. The results obtained are given in the table below. A Contingency Table Relating Delivery Time and Computer-Assisted Ordering Computer- Assisted Ordering Below Industry Average Delivery Time Equal to Industry Average 12 Above Industry Average 8 Row Total No 4 24 Yes Column total 10 4 16 40 14 16 10 Click here for the Excel Data File (a) Test the hypothesis that delivery time performance is independent of whether computer-assisted ordering is used. What do you conclude by setting a= .05? Reject HO. independence. (b) Verify that a chi-square test is appropriate. The test is valid because the number of cells exceeds the average of the Eij is greater than and the smallest Eij is greater than
Transcribed Image Text:In the book Essentials of Marketing Research, William R. Dillon, Thomas J. Madden, and Neil A. Firtle discuss the relationship between delivery time and computer-assisted ordering. A sample of 40 firms shows that 16 use computer-assisted ordering, while 24 do not. Furthermore, past data are used to categorize each firm's delivery times as below the industry average, equal to the industry average, or above the industry average. The results obtained are given in the table below. A Contingency Table Relating Delivery Time and Computer-Assisted Ordering Computer- Assisted Ordering Below Industry Average Delivery Time Equal to Industry Average 12 Above Industry Average 8 Row Total No 4 24 Yes Column total 10 4 16 40 14 16 10 Click here for the Excel Data File (a) Test the hypothesis that delivery time performance is independent of whether computer-assisted ordering is used. What do you conclude by setting a= .05? Reject HO. independence. (b) Verify that a chi-square test is appropriate. The test is valid because the number of cells exceeds the average of the Eij is greater than and the smallest Eij is greater than
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Recommended textbooks for you
Calculus For The Life Sciences
Calculus For The Life Sciences
Calculus
ISBN:
9780321964038
Author:
GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:
Pearson Addison Wesley,
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
SEE MORE TEXTBOOKS