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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 derhill). Women with female companion: 8.3 min. Women with male companion: 4.5 min. ose 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 in 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? O H: H = 8.3; H,: µ + 8.3 O H;i H = 8.3; H;: H < 8.3 O H;i H = 8.3; Hại µ > 8.3 O H;i u < 8.3; H;: u = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O right-tailed O left-tailed O two-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 H: H- 8.3; H,: u 8.3 O Hoi H = 8.3; H,: µ > 8.3 O Hoi H = 8.3; H,i µ < 8.3 O Hi H# 8.3; H;: µ = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O left-tailed O right-tailed O two-tailed s that sell mainly to women should figure out a way to engage the interest of men! Perhaps comfortable seats and a big TV with sports programs. Suppose such an entertainment center was installed and you now wish i challenge th that a woman with a male friend spends only 4.5 minutes shopping in a houseware store. (c) What would you use for the null and alternate hypotheses if you believe the average shopping time is more than 4.5 minutes? O H: H= 4.5; H,: µ * 4.5 O H.i u= 4.5; H,: µ > 4.5 O Hoi H > 4.5; H,: u = 4.5 O Hoi H = 4.5; H,: u< 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O left-tailed O right-tailed

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 derhill). Women with female companion: 8.3 min. Women with male companion: 4.5 min. ose 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 in 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? O H: H = 8.3; H,: µ + 8.3 O H;i H = 8.3; H;: H < 8.3 O H;i H = 8.3; Hại µ > 8.3 O H;i u < 8.3; H;: u = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O right-tailed O left-tailed O two-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 H: H- 8.3; H,: u 8.3 O Hoi H = 8.3; H,: µ > 8.3 O Hoi H = 8.3; H,i µ < 8.3 O Hi H# 8.3; H;: µ = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O left-tailed O right-tailed O two-tailed s that sell mainly to women should figure out a way to engage the interest of men! Perhaps comfortable seats and a big TV with sports programs. Suppose such an entertainment center was installed and you now wish i challenge th that a woman with a male friend spends only 4.5 minutes shopping in a houseware store. (c) What would you use for the null and alternate hypotheses if you believe the average shopping time is more than 4.5 minutes? O H: H= 4.5; H,: µ * 4.5 O H.i u= 4.5; H,: µ > 4.5 O Hoi H > 4.5; H,: u = 4.5 O Hoi H = 4.5; H,: u< 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O left-tailed O right-tailed

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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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. 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 in 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? O H.: H = 8.3; H,: µ + 8.3 Ο H,: μ= 8.3; H: μ < 8.3 O H,: H = 8.3; H;: µ > 8.3 O H,: H < 8.3; H;: µ = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O right-tailed O left-tailed two-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 H,: H = 8.3; H;: µ # 8.3 H: H = 8.3; H;: H > 8.3 Он: и - 8.3;B н,: и < 8.3 O H,: H + 8.3; H;: H = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O left-tailed O right-tailed O two-tailed Stores that sell mainly to women should figure out a way to engage the interest of men! Perhaps comfortable seats and a big TV with sports programs. Suppose such an entertainment center was installed and you now wish to challenge the claim that a woman with a male friend spends only 4.5 minutes shopping in a houseware store. (c) What would you use for the null and alternate hypotheses if you believe the average shopping time is more than 4.5 minutes? H: H = 4.5; H,: µ # 4.5 O H.: H = 4.5; H;: H > 4.5 O H.: H > 4.5; H;:H = 4.5 О н: и — 4.5; Hiiи< 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O left-tailed O right-tailed (d) What would you use for the null and alternate hypotheses if you believe the average shopping time is different from 4.5 minutes? O H.: H = 4.5; H;: µ # 4.5 Он: и 3 4.5;B н: и> 4.5 O H,: H = 4.5; H;: µ < 4.5 O H,: µ + 4.5; H;: µ = 4.5 Is this a right-tailed, left-tailed, or two-tailed test? two-tailed O left-tailed O right-tailed
Transcribed Image Text: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. 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 in 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? O H.: H = 8.3; H,: µ + 8.3 Ο H,: μ= 8.3; H: μ < 8.3 O H,: H = 8.3; H;: µ > 8.3 O H,: H < 8.3; H;: µ = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O right-tailed O left-tailed two-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 H,: H = 8.3; H;: µ # 8.3 H: H = 8.3; H;: H > 8.3 Он: и - 8.3;B н,: и < 8.3 O H,: H + 8.3; H;: H = 8.3 Is this a right-tailed, left-tailed, or two-tailed test? O left-tailed O right-tailed O two-tailed Stores that sell mainly to women should figure out a way to engage the interest of men! Perhaps comfortable seats and a big TV with sports programs. Suppose such an entertainment center was installed and you now wish to challenge the claim that a woman with a male friend spends only 4.5 minutes shopping in a houseware store. (c) What would you use for the null and alternate hypotheses if you believe the average shopping time is more than 4.5 minutes? H: H = 4.5; H,: µ # 4.5 O H.: H = 4.5; H;: H > 4.5 O H.: H > 4.5; H;:H = 4.5 О н: и — 4.5; Hiiи< 4.5 Is this a right-tailed, left-tailed, or two-tailed test? O two-tailed O left-tailed O right-tailed (d) What would you use for the null and alternate hypotheses if you believe the average shopping time is different from 4.5 minutes? O H.: H = 4.5; H;: µ # 4.5 Он: и 3 4.5;B н: и> 4.5 O H,: H = 4.5; H;: µ < 4.5 O H,: µ + 4.5; H;: µ = 4.5 Is this a right-tailed, left-tailed, or two-tailed test? two-tailed O left-tailed O right-tailed
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