much customers buy is a direct result how much time they spend in the store. A study of average shopping times in a large national hnouseware store gave the following information (Source: Why we Buy: The Science Shopping by P. Undernil). Women with female companion: 8.3 min. Women with male companion: 4.5 min. Suppose you want to set up a statistical test to challenge the claim that a woman with a female friend spends an average of 8.3 minutes shopping such a store. (a) What would you use for the null and alternate hypotheses if you believe the average shopping time is less than 8.3 minutes? Ο H, μ 8.3; Η μ < 8.3 O Hoi H = 8.3; H;: H # 8.3 O Hoi H < 8.3; H;: µ = 8.3 O Hoi H = 8.3; H;: µ > 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O right-tailed O left-tailed (b) What would you use for the null and alternate hypotheses if you believe the average shopping time is different from 8.3 minutes? O Ho: H = 8.3; H: H > 8.3 O Hoi H # 8.3; H;: µ = 8.3 Ο Hμ 8.3; Hj: μ < 8.3 O Hoi H = 8.3; Hạ: u* 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O right-tailed O left-tailed
much customers buy is a direct result how much time they spend in the store. A study of average shopping times in a large national hnouseware store gave the following information (Source: Why we Buy: The Science Shopping by P. Undernil). Women with female companion: 8.3 min. Women with male companion: 4.5 min. Suppose you want to set up a statistical test to challenge the claim that a woman with a female friend spends an average of 8.3 minutes shopping such a store. (a) What would you use for the null and alternate hypotheses if you believe the average shopping time is less than 8.3 minutes? Ο H, μ 8.3; Η μ < 8.3 O Hoi H = 8.3; H;: H # 8.3 O Hoi H < 8.3; H;: µ = 8.3 O Hoi H = 8.3; H;: µ > 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O right-tailed O left-tailed (b) What would you use for the null and alternate hypotheses if you believe the average shopping time is different from 8.3 minutes? O Ho: H = 8.3; H: H > 8.3 O Hoi H # 8.3; H;: µ = 8.3 Ο Hμ 8.3; Hj: μ < 8.3 O Hoi H = 8.3; Hạ: u* 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O right-tailed O left-tailed
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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How much customers buy is a direct result of how much time they spend in the store. A study of average shopping times in a large national houseware store gave the following information (Source: Why We Buy: The Science of Shopping by P. Underhill).
Women with female companion: 8.3 min.
Women with male companion: 4.5 min.
Women with male companion: 4.5 min.
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