R Quizzes - QMS210 011 - Applie X Course Hero X + > C a courses.ryerson.ca/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=682825&isprv=&drc=0&qi=332796&cfql=0&dnb=0&fromQB=0 F22 - QMS210 - Test 2 X Time Limit: 1:30:00 Time Left:1:16:08 Mohammad Fawaz Iqbal: Attempt 1 8 9 Use this scenario for the following 4 questions Nine experts rated two brands of orange juice in a taste-testing experiment. A rating 10 11 12 on a 7 point scale ( 1=extremely unpleasing, 7=extremely pleasing) is given for each of four characteristics: taste, aroma, richness, and acidity. The following SPSS reports are based on the data provided by the nine experts 13 14 15 Paired Samples Statistics 16 17 18 Mean N Std. Deviation Std. Error Mean Brand A 24.00 9 2.646 0.882 Pair 1 19 20 21 Brand B 25.56 9 1.878 0.626 22 23 24 -- Paired Samples Correlations N Correlation Sig. 25 26 27 Pair 1 Brand A & Brand B 9 0.855 0.003 -- 28 29 30 Paired Samples Test Paired Differences 95% Confidence Interval of t Std. Deviation Std. Error Mean the Difference MeanR Quizzes - QMS210 011 - Applie X Course Hero X + > C a courses.ryerson.ca/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=682825&isprv=&drc=0&qi=332796&cfql=0&dnb=0&fromQB=0 F22 - QMS210 - Test 2 X Time Limit: 1:30:00 Time Left:1:15:57 Mohammad Fawaz Iqbal: Attempt 1 8 |Pair 1 Brand B 25.56 9 1.878 0.626 10 11 12 Paired Samples Correlations N Correlation Sig. 13 14 15 Pair 1 Brand A & Brand B 9 0.855 0.003 16 17 18 Paired Samples Test 19 20 21 Paired Differences 95% Confidence Interval of Std. Deviation Std. Error Mean the Difference Mean 22 23 24 Lower Upper Pair 1 Brand A - Brand B -1.556 1.424 0.475 -2.650 0.461 3.277 25 26 27 You would like to know if there is evidence that the mean ratings for Brand A of -- orange juice is higher than the mean ratings for Brand B of orange juice. 28 29 30 Question 26 (1 point) If M1 is used for the population mean of the Brand A orange juice, /2 for the population mean of the Brand B orange juice, and D = Brand A - Brand B,R Quizzes - QMS210 011 - Applie X Course Hero X + > C a courses.ryerson.ca/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=682825&isprv=&drc=0&qi=332796&cfql=0&dnb=0&fromQB=0 F22 - QMS210 - Test 2 X Time Limit: 1:30:00 Time Left:1:14:45 Mohammad Fawaz Iqbal: Attempt 1 8 9 Question 28 (1 point) 10 11 12 The test statistic is equal to (round your answer to four decimal places) A/ , and the p-value is equal to (round your answer to four decimal places) 13 14 15 Question 29 (1 point) 16 17 18 At the a = 0. 05 level of significance, the decision for this hypothesis test would be: 19 20 21 O Reject the alternative hypothesis 22 23 24 -- Do not reject the null hypothesis Reject the null hypothesis 25 26 27 -- Do not reject the alternative hypothesis Accept the null hypothesis 28 29 30 Question 30 (1 point) If 1 - a = 0.9995, then Za/2 equalsR Quizzes - QMS210 011 - Applie X Course Hero X + > C a courses.ryerson.ca/d21/Ims/quizzing/user/attempt/quiz_start_frame_auto.d21?ou=682825&isprv=&drc=0&qi=332796&cfql=0&dnb=0&fromQB=0 F22 - QMS210 - Test 2 X Time Limit: 1:30:00 Time Left:1:14:40 Mohammad Fawaz Iqbal: Attempt 1 8 9 Reject the null hypothesis O Do not reject the alternative hypothesis 10 11 12 Accept the null hypothesis Question 30 (1 point) 13 14 15 If 1 - a = 0.9995, then Za/2 equals 16 17 18 O+2.55 19 20 21 O13.48 22 23 24 O +1.96 -- O 14.01 25 26 27 -- O+2.57 28 29 30 Submit Quiz O of 30 questions saved