e the pairid interval proceduce to obtain the required confidence interval You may assume that the conditions for using the procedure are satisfied cest of abstractanoning is glven to a random sample of students before and after completing a formal logic course. The results are shown below efore 74 81 85/67/92/71 61 78 64 80 After7 6482 76/95/66 67 81/71 88 termine a 95% confidence interval for the difference between the mean score before completing the course and the mean score after completing the cours A 67 to 11 6/3 to 0.7 C-61 to 0.5 D. -70 to 1.4

MATLAB: An Introduction with Applications
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se the paired ttinterval procedure to obtain the required confidence interval. You may assume that the conditions for using the procedure are satisfiod
test of abstrad reasoning is given to a random sample of students before and after comipleting a formal logic course. The results are shown below
Sefore 74 81 85/67/92 71 61 78 64 80
After71 64/82 76 95 66 67 81 71 88
etermine a 95% confidence interval for the difference between the mean score before completing the course and the mean score after completing the course.
A-57 to 1.
63 to 0.7
61 to 0.5
D 70 to 1.4
Transcribed Image Text:se the paired ttinterval procedure to obtain the required confidence interval. You may assume that the conditions for using the procedure are satisfiod test of abstrad reasoning is given to a random sample of students before and after comipleting a formal logic course. The results are shown below Sefore 74 81 85/67/92 71 61 78 64 80 After71 64/82 76 95 66 67 81 71 88 etermine a 95% confidence interval for the difference between the mean score before completing the course and the mean score after completing the course. A-57 to 1. 63 to 0.7 61 to 0.5 D 70 to 1.4
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