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An instructor for Probability & Statistics wants to investigate if a new teaching technique is more effective in improving her students' understanding compared to the technique she has been using previously. After using the new teaching technique, she administers a test to her 8 students and the scores obtained, out of 50, are as given below: 20, 34, 40, 24, 45, 37, 48, 20 The old teaching technique resulted in an overall average score of 25. i. Perform a test to determine if the to determine if the new technique is more effective ii. Determine the 98 % two-sided confidence interval for the above test. Comment on your answer.

An instructor for Probability & Statistics wants to investigate if a new teaching technique is more effective in improving her students' understanding compared to the technique she has been using previously. After using the new teaching technique, she administers a test to her 8 students and the scores obtained, out of 50, are as given below: 20, 34, 40, 24, 45, 37, 48, 20 The old teaching technique resulted in an overall average score of 25. i. Perform a test to determine if the to determine if the new technique is more effective ii. Determine the 98 % two-sided confidence interval for the above test. Comment on your answer.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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An instructor for Probability & Statistics wants to investigate if a new teaching technique is more effective in improving her students' understanding compared to the technique she has been using previously. After using the new teaching technique, she administers a test to her 8 students and the scores obtained, out of 50, are as given below: 20, 34, 40, 24, 45, 37, 48, 20 The old teaching technique resulted in an overall average score of 25. i. Perform a test to determine if the to determine if the new technique is more effective ii. Determine the 98 % two-sided confidence interval for the above test. Comment on your answer.
Transcribed Image Text:An instructor for Probability & Statistics wants to investigate if a new teaching technique is more effective in improving her students' understanding compared to the technique she has been using previously. After using the new teaching technique, she administers a test to her 8 students and the scores obtained, out of 50, are as given below: 20, 34, 40, 24, 45, 37, 48, 20 The old teaching technique resulted in an overall average score of 25. i. Perform a test to determine if the to determine if the new technique is more effective ii. Determine the 98 % two-sided confidence interval for the above test. Comment on your answer.
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