Final Exam Winter 2022 - Google Chrome X mylab.pearson.com/Student/PlayerTest.aspx?testld=241544758¢erwin=yes Statistics for Analytics II Spring/Summer 2022B Neda Rostami 08/17/22 6:37 PM = Test: Final Exam Winter 2022 Question 24 of 30 This test: 30 point(s) possible This question: 1 point(s) possible Submit test Question list K Baseball teams in League 1 play their games with a rule that they believe produces more runs and generates more interest among fans. The data shown below include the average numbers of runs scored per game by League 1 and League 2 teams for one season. Complete parts a through d. League 1 11.4 10.6 10.3 10.2 10.1 10.1 9.9 9.9 9.5 8.8 8.6 League 2 10.6 10.2 9.8 9.3 9.3 9.3 9.1 9 .1 8.8 8.7 8.6 8.5 8.5 8.1 O Question 19 a) Write the null and alternative hypotheses. Question 20 Let group 1 correspond to League 1 games and group 2 correspond to League 2 games. Choose the correct answer below. O A. Ho- My - H2= 0 OB. Ho: H, - H2= 0 O Question 21 HA : H1 - H2 0 HA: H 1 - H2 > O O C. Ho- H1 - 12 0 OD. H: H, - H2> 0 HA: H1 - H2= 0 HA : H 1 - H2 = 0 O Question 22 b) Find a 95% confidence interval for the positive difference in mean runs per game and interpret your interval. O Question 23 The 95% confidence interval for the positive difference in means is (] (Round to two decimal places as needed.) Interpret your interval. Choose the correct answer below. O Question 24 O A. We are 95% confident that the amount by which the runs scored in League 2 games exceed the runs scored in League 1 games will fall in the interval. O B. We are 95% confident that the amount by which the runs scored in League 1 games exceed the runs scored in League 2 games will fall in the interval. Question 25 O C. We are 95% confident that the runs scored per game in both leagues will fall in the interval. c) Test the hypothesis stated above in part a and find the P-value. O Question 26 t=(Round to two decimal places as needed.) P=(Round to three decimal places as needed.) O Question 27 d) Interpret the P-value and state your conclusion. Does the test suggest that League 1 teams score more runs on average? Use a = 0.05. Since P-value| |0.05, Ho and conclude that there| evidence that the mean number of runs scored by League 1 teams is greater than the mean number of runs scored by League 2 teamsidws Activate Go to Settings, to activate Windows Time Remaining: 02:23:27 Next Type here to search O 25C Mostly cloudy ~ 9: " () ENG 6:34 PM 99+ 2022-08-17