- MacbethXA Sci. Rev., xA Sci. Rev., xE sci rev, erA Your wor XSCHOOL XContentZ Quiz Cha x7 Quiz Cha xoo CentralL X +A coker.blackboard.com/webapps/blackboard/content/contentWrapper.jsp?content_id- 464269_1&displayName-DQuiz+Chapters+7++10&c.A KA áModule 7: RegressionsQuiz Chapters7- 10MAT-203-W3Completed 0 of 4 Questions( 1 2 34 >O SaveV FinishSelect your answer from one of the following options.O A. Graph AOB. Graph BOC. Graph CCalculate the standardized test statistic z =Round your answer to 2 decimal places.Enter a numberUsing the standardized test statistic and the critical z-score, draw a conclusion and interpret your result.Select your answer from one of the following options.O a. Fail to reject the null hypothesis. There is enough evidence to conclude that the average number of screens per household in Hartsville is differentfrom the national average.Ob. Reject the null hypothesis There is not enough evidence to conclude that the average number of screens per household in Hartsville is differentfrom the national average.Oc. Fail to reject the null hypothesis. There is not enough evidenice to conclude that the average number of screens per household in Hartsville isdifferent from the national average.US O • O 5:13DELL E sci rev, erxA Your wori XA SCHOOL xContentQuiz Cha xQuiz Cha xA coker.blackboard.com/webapps/blackboard/content/contentWrapper.jsp?content_jd%3 464269 1&displayName%-DQuiz+Chapters+7++10&c.OLO Central L+áAT-203-W3Module 7: RegressionsQuiz Chapters 7 - 10Completed 0 of 4 Questions234 >O SaveA FinishQuestion15(T poimt)A national survey reports that the average number of screens (TVs, computers, tablets, and smartphones) in a single-family household 12.2, with astandard deviation of 5.12. You believe that average may be different in Hartsville. You collect a sample of 35 households in Hartsville, and find that theaverage number of screens is 10.82.Follow the outline to test the hypothesis at a significance level of a = 0.05:Ho : µ = 12.2H. : µ # 12.2Identify the critical z-score for a significance level of a = 0.05Select your answer from one of the following options.O a. z. = ±2.33O b. z. = ±1.96O C. z. = 2.33O d. z. = 1.64O e. z. = -1.64Which of the graphs below best represents the rejection region?US

( 1 2 3 4 ) O Save A Finish Question5 (i poinL) A national survey reports that the average number of screens (TVs, computers, tablets, and smartphones) in a single-family household 12.2, with a standard deviation of 5.12. You believe that average may be different in Hartsville. You collect a sample of 35 households in Hartsville, and find that average number of screens is 10.82. Follow the outline to test the hypothesis at a significance level of a = 0.05: Η, : μ 12.2 H.: µ # 12.2 Identify the critical z-score for a significance level of a = 0.05 Select your answer from one of the following options. O a. ze = ±2.33 O b. z. = ±1.96 Oc. ze = 2.33 O d. ze = 1.64 O e. ze = -1.64 Which of the graphs below best represents the rejection region?

( 1 2 3 4 ) O Save A Finish Question5 (i poinL) A national survey reports that the average number of screens (TVs, computers, tablets, and smartphones) in a single-family household 12.2, with a standard deviation of 5.12. You believe that average may be different in Hartsville. You collect a sample of 35 households in Hartsville, and find that average number of screens is 10.82. Follow the outline to test the hypothesis at a significance level of a = 0.05: Η, : μ 12.2 H.: µ # 12.2 Identify the critical z-score for a significance level of a = 0.05 Select your answer from one of the following options. O a. ze = ±2.33 O b. z. = ±1.96 Oc. ze = 2.33 O d. ze = 1.64 O e. ze = -1.64 Which of the graphs below best represents the rejection region?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter9: Systems Of Equations And Inequalities

Section: Chapter Questions

Problem 54RE

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