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A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been change in the distribution? Use a = 0.10. Complete parts (a) through (d).

A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been change in the distribution? Use a = 0.10. Complete parts (a) through (d).

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
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A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the distribution? Use a = 0.10. Complete parts (a) through (d). Response Old Survey % New Survey Frequency, f Rewards Low rates Cash back Discounts Other 28% 111 23% 98 21% 108 9% 47 19% 61 a. State Ho and H, and identify the claim. What is the null hypothesis, Ho? A. The distribution of motivations differs from the old survey. B. The distribution of motivations is 111 rewards, 98 low rate, 108 cash back, 47 discounts, and 61 other. O c. The distribution of motivations is 28% rewards, 23% low rate, 21% cash back, 9% discounts, and 19% other. What is the alternate hypothesis, Ha? A. The distribution of motivations differs from the old survey. B. The distribution of motivations is 111 rewards, 98 low rate, 108 cash back, 47 discounts, and 61 other. C. The distribution of motivations is 28% rewards, 23% low rate, 21% cash back, 9% discounts, and 19% other. Which hypothesis is the claim? Ho Ha
Transcribed Image Text:A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the distribution? Use a = 0.10. Complete parts (a) through (d). Response Old Survey % New Survey Frequency, f Rewards Low rates Cash back Discounts Other 28% 111 23% 98 21% 108 9% 47 19% 61 a. State Ho and H, and identify the claim. What is the null hypothesis, Ho? A. The distribution of motivations differs from the old survey. B. The distribution of motivations is 111 rewards, 98 low rate, 108 cash back, 47 discounts, and 61 other. O c. The distribution of motivations is 28% rewards, 23% low rate, 21% cash back, 9% discounts, and 19% other. What is the alternate hypothesis, Ha? A. The distribution of motivations differs from the old survey. B. The distribution of motivations is 111 rewards, 98 low rate, 108 cash back, 47 discounts, and 61 other. C. The distribution of motivations is 28% rewards, 23% low rate, 21% cash back, 9% discounts, and 19% other. Which hypothesis is the claim? Ho Ha
2 (b) Determine the critical value, Xo, and the rejection region. Хо (Round to three decimal places as needed.) %3D Choose the correct rejection region below. 2 2 2 O A. X <Xo O B. X SXo O D. X 2X% 2 Oc. X>x6 (c) Calculate the test statistic. (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. Họ. At the 10% significance level, there enough evidence to conclude that the distribution of motivations the old survey.
Transcribed Image Text:2 (b) Determine the critical value, Xo, and the rejection region. Хо (Round to three decimal places as needed.) %3D Choose the correct rejection region below. 2 2 2 O A. X <Xo O B. X SXo O D. X 2X% 2 Oc. X>x6 (c) Calculate the test statistic. (Round to three decimal places as needed.) (d) Decide whether to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. Họ. At the 10% significance level, there enough evidence to conclude that the distribution of motivations the old survey.
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