# 1. Consider the hypothesis statement to the right. State your…

QuestionAnswered step-by-step1. Consider the hypothesis statement to the right. State your…1. Consider the hypothesis statement to the right. State your conclusion given thats=2.2?,n=25?,anda=0.10. H0?:s2=9.0H1?:s2<9.0 Calculate the appropriate test statistic.The test statistic is=?(Round to two decimal places as? needed.)Determine the appropriate critical? value(s).The critical? value(s) is(are)=(Round to three decimal places as needed. Use a comma to separate answers as? needed.)Conclusion-?(reject or not reject) the null hypothesis. There is ?(sufficient, insufficient) evidence that the population variance is?(different from, less than, greater than) 9.0.2. Consider the hypothesis statement to the right. State your conclusion given thats=2.5?,n=30?,anda=0.05. H0?:s2=3.0H1?:s2>3.0 Calculate the appropriate test statistic.The test statistic is=?(Round to two decimal places as? needed.)Determine the appropriate critical? value(s).The critical? value(s) is(are)=(Round to three decimal places as needed. Use a comma to separate answers as? needed.)Conclusion-? (Reject, Do not reject) the null hypothesis. There is ?(insufficient, sufficient) evidence that the population variance is? (less than, greater than, different from) 3.0.3.Consider the hypothesis statement to the right. State your conclusion given thats=7.5?,n=30?,anda=0.05. H0?:s2=38.0H1?:s2?38.0 Calculate the appropriate test statistic.The test statistic isenter your response here.?(Round to two decimal places as? needed.)Determine the appropriate critical? value(s).The critical? value(s) is(are)enter your response here.?(Round to three decimal places as needed. Use a comma to separate answers as? needed.)State your conclusion.?(Do not reject, Reject) the null hypothesis. There is ?(sufficient, insufficient) evidence that the population variance is ?(equal to, different from) 38.0.4. Recently, a pizza place was receiving complaints about erratic pizza delivery times. To address this? issue, the owners made some operational changes in its restaurant and added more delivery people to its staff. To study these? changes, the owners would like to test the hypothesis that the standard deviation for the delivery times of its pizza is less than18 minutes. The data shown to the right represent a random sample of delivery times? (in minutes). Complete parts a andb. 22 39 13 35 29 39 35 16 28 35 15 10 12 11 11 a. Using a=0.10?, test whether or not the pizza? place’s goal was achieved.Identify the null and alternative hypotheses.H0?: s2?(less than<, greater than>, not equals?) then #H1?: s2?(less than<, greater than>, not equals?) then #?(Type integers or? decimals.)Calculate the appropriate test statistic.The test statistic is=?(Round to two decimal places as? needed.)Determine the appropriate critical? value(s).The critical? value(s) is(are)=?(Round to three decimal places as needed. Use a comma to separate answers as? needed.)State your conclusion.Since the test statistic is ?(greater than, between, less than) the?(upper critical value, critical values, critical value, lower critical value,) ?(do not reject, reject) the null hypothesis. There is? (insufficient, sufficient) evidence that the standard deviation is?(equal to, not equal to, greater than, less than)18 minutes.b. Use technology to find the? p-value and interpret the result.The? p-value isenter your response here.?(Round to three decimal places as? needed.)Since the? p-value is? (less than, greater than) a?, ?(do not reject, reject) the null hypothesis. There is ?(sufficient, insufficient) evidence to conclude that the standard deviation is ?(not equal to, equal to, less than, greater than) 18 minutes.5. Identify the appropriate critical? F-score for n1=12?, n2=11?, and a=0.01.The critical? F-score is=?(Round to three decimal places as? needed.)6. (right tail distribution)(formatting explained)Consider the hypothesis statement shown. H0?: s21=s22 (2 should be directly over 1) (2 should be directly over 2) H1?: s21?s22 (2 should be directly over 1) (2 should be directly over 2)State your conclusion given that s1=30?, s2=28?, n1=24?, n2=29?, and a=0.05a. Calculate the appropriate test statistic.The test statistic is=?(Round to two decimal places as? needed.)Determine the appropriate critical? value(s).The critical? value(s) is(are)=?(Round to three decimal places as needed. Use a comma to separate answers as? needed.)b. Conclusion?(Do not reject, Reject) the null hypothesis. There is? (sufficient, insufficient) evidence that the population variances are different.7. (right tail distribution)(formatting explained)Consider the hypothesis statement shown below.H0?: s21=s22 (2 should be directly over 1) (2 should be directly over 2)H1?: s21?s22 (2 should be directly over 1) (2 should be directly over 2)State your conclusion given thats1=59?, s2=42?, n1=20?, n2=24?, and a=0.05.Calculate the appropriate test statistic.The test statistic isenter your response here.?(Round to two decimal places as? needed.)Determine the appropriate critical? value(s).The critical? value(s) is(are)enter your response here.?(Round to three decimal places as needed. Use a comma to separate answers as? needed.)Conclusion-?(Do not reject, Reject) the null hypothesis. There is?(insufficient, sufficient) evidence that the population variances are different.8. Security is investigating procedures at an airport to reduce the variability in the amount of time it takes passengers to get through airport security. The following table summarizes sample data collected from two different terminals employing different security procedures. Complete parts a and b.Terminal A- Sample standard deviation-8.1 Sample size- 13 Terminal B- Sample standard deviation-8.9 Sample size- 12a. Using a=0.05?, determine if the procedures at Terminal A more effectively reduce the variability than do the procedures at Terminal B. First identify the hypotheses. Choose the correct answer below.(2 should be over 1 ) and (2 should be over 2)A.H0?:s21?s22H1?:s21=s22B.H0?:s21=s22H1?:s21?s22C.H0?:s21=s22H1?:s21

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