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BUS 219/MAT167 Exam # 4A Online 100 points# Please show all pertinent steps. A top-notch solution is complete and is easy to # follow from beginning to end.And please submit by the deadline indicated of the schedule of due dates.A recent national survey asked adults if they thought the government should continue to fund NASA’s efforts to send un-manned missions to Mars. 55% said they should, 40% said they should not, and 5% had no opinion. A sample of 200 college students resulted in the numbers below. At “alpha” = 0. Document Preview: BUS 219/MAT167 Exam # 4A Online 100 points# Please show all pertinent steps. A top-notch solution is complete and is easy to # follow from beginning to end.And please submit by the deadline indicated of the schedule of due dates.A recent national survey asked adults if they thought the government should continue to fund NASA’s efforts to send un-manned missions to Mars. 55% said they should, 40% said they should not, and 5% had no opinion. A sample of 200 college students resulted in the numbers below. At “alpha” = 0.05, can we conclude that opinions of college students differ from those in the national survey of adults?Response Should Should Not No OpinionNumber 125 70 5 (9 points: 2,2,3,1,1)A national survey claims that people buy music compact disks in equal percentages for the following five age groups: 14 -18, 19 – 23, 24 – 28, 29 – 33, and over 33. A sample of the ages of 100 CD buyer’s at Hastings, on Fry Blvd, gave these data: 15, 21, 18, 30, and 16, for the sequence of age groupings, respectively. At “alpha” = 0.01 can we conclude that the local numbers are the same as the national survey? (9 points: 2,2,3,1,1)A researcher wishes to try three different techniques to lower bloodpressure. Subjects are randomly assigned to three groups, as indicated in the table below. After four weeks, the reduction in each person’s blood pressure is recorded. At “alpha” = 0.05, use ANOVA to test the claim that there is no difference among the means. If the null hypothesis is rejected, do NOT do the follow-up test to determine where differences may occur.Medication Exercise Diet 10 11 10 (9 points: 2,2,3,1,1) 12 10 13 14 9 15 12 11 15 12 13 16 Given that the null hypothesis was rejected in an ANOVA test, determine where there are significant differences among the means, if the ANOVA test had a C.V. = 2.71 at alpha = .05, N1 = N2 = N3 = 6 (sample sizes), , and . Use the appropriate test.... Attachments: Exam4.doc Jul 13 2012 07:18 AM

 

Solution ID:609250 | This paper was updated on 26-Nov-2015

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