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An instructor believes that students do not retain as much information from the lecture on a Friday...

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Statistics

Aninstructor believes that students do not retain as much informationfrom the lecture on a Friday compared to a Monday. To test thisbelief, the instructor teaches a small sample of college studentssome pre-selected material from a single topic on statistics on aFriday and a Monday. All students received a test on the material.The differences in exam scores for material taught on Friday minusMonday are listed in the following table
to test this belief, the instructor teaches a small sample ofcollege students some pre-selected material from a single topic onstatistics on a Friday and on a Monday. All students received atest on the material. The differences in exam scores for materialtaught on Friday minus Monday are listed in the followingtable
+4.4
+1.0
-1.5
+3.3
+6.3
a. Find the confidence limits at a 95% CI for these relatedsamples.
b. can we conclude that students retained more of the materialtaught in the Friday class?

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