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JGV Company has conducted a study on the satisfaction of its franchisees towards the franchise package that they provide. Specifically, they would like to determine if a difference in the average satisfaction score exists between two outlet concepts: full store and kiosk. A random sample of 9 full store and 11 kiosks of their franchisees were selected and the information needed was recorded. The followings are the results of the study. Group Statistics Outlet Concept Mean Std. Deviation Std. Error Mean N Full Store Satisfaction Kiosk Overall 9 6.6667 1.50000 50000 11 5.7273 2.76011 83220 Independent Samples Test Overall Satisfaction

JGV Company has conducted a study on the satisfaction of its franchisees towards the franchise package that they provide. Specifically, they would like to determine if a difference in the average satisfaction score exists between two outlet concepts: full store and kiosk. A random sample of 9 full store and 11 kiosks of their franchisees were selected and the information needed was recorded. The followings are the results of the study. Group Statistics Outlet Concept Mean Std. Deviation Std. Error Mean N Full Store Satisfaction Kiosk Overall 9 6.6667 1.50000 50000 11 5.7273 2.76011 83220 Independent Samples Test Overall Satisfaction

MATLAB: An Introduction with Applications
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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3. JGV Company has conducted a study on the satisfaction of its franchisees towards the franchise package that they provide. Specifically, they would like to determine if a difference in the average satisfaction score exists between two outlet concepts: full store and kiosk. A random sample of 9 full store and 11 kiosks of their franchisees were selected and the information needed was recorded. The followings are the results of the study. Group Statistics Outlet Concept Std. Deviation Std. Error Mean N Mean 50000 Overall Satisfaction Kiosk Full Store 9. 6.6667 1.50000 11 5.7273 2.76011 .83220 Independent Samples Test Overall Satisfaction Equal variances Equal variances not assumed assumed Levene's Test for Equality of Variances F 10.790 Sig. .004 .914 968 df 18 15.928 Sig. (2-tailed) 373 348 t-test for Equality of Means Mean Difference 93939 .93939 Std. Error Difference 1.02812 97086 -1.11948 95% Confidence Lower Interval of the Difference -1.22061 Upper 3.09940 2.99827 a) What can you conclude about the variances of the two populations? b) Calculate the margin of error for constructing a 95% confidence interval for the mean difference. c) State the 95% confidence interval for the difference in the average satisfaction score between full store and kiosk outlet.
Transcribed Image Text:3. JGV Company has conducted a study on the satisfaction of its franchisees towards the franchise package that they provide. Specifically, they would like to determine if a difference in the average satisfaction score exists between two outlet concepts: full store and kiosk. A random sample of 9 full store and 11 kiosks of their franchisees were selected and the information needed was recorded. The followings are the results of the study. Group Statistics Outlet Concept Std. Deviation Std. Error Mean N Mean 50000 Overall Satisfaction Kiosk Full Store 9. 6.6667 1.50000 11 5.7273 2.76011 .83220 Independent Samples Test Overall Satisfaction Equal variances Equal variances not assumed assumed Levene's Test for Equality of Variances F 10.790 Sig. .004 .914 968 df 18 15.928 Sig. (2-tailed) 373 348 t-test for Equality of Means Mean Difference 93939 .93939 Std. Error Difference 1.02812 97086 -1.11948 95% Confidence Lower Interval of the Difference -1.22061 Upper 3.09940 2.99827 a) What can you conclude about the variances of the two populations? b) Calculate the margin of error for constructing a 95% confidence interval for the mean difference. c) State the 95% confidence interval for the difference in the average satisfaction score between full store and kiosk outlet.
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