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12. Suppose a math class had a set of marks with a mean of 67% and a standard deviation of 10%. The teacher "bell-curved" the results and added 8% to each students mark. Describe the effect (if any) of this bell-curve on each of the following: a) mean b) the graph of the box-and whisker plot

12. Suppose a math class had a set of marks with a mean of 67% and a standard deviation of 10%. The teacher "bell-curved" the results and added 8% to each students mark. Describe the effect (if any) of this bell-curve on each of the following: a) mean b) the graph of the box-and whisker plot

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 13PPS
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12. Suppose a math class had a set of marks with a mean of 67% and a standard deviation of 10%. The teacher "bell-curved" the results and added 8% to each students mark. Describe the effect (if any) of this bell-curve on each of the following: a) mean b) the graph of the box-and whisker plot c) standard deviation
Transcribed Image Text:12. Suppose a math class had a set of marks with a mean of 67% and a standard deviation of 10%. The teacher "bell-curved" the results and added 8% to each students mark. Describe the effect (if any) of this bell-curve on each of the following: a) mean b) the graph of the box-and whisker plot c) standard deviation
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