A class of 135 students took a final examination in mathematics. The scores were normally distributed with a mean score of 68% and a standard deviation of 8.5%. Determine the percentile rank of each of the following people: (a) Jennifer, who scored 78 % (b) Steven, who got 55 % (c) Jessica, who was very happy with her mark of 89 %
A class of 135 students took a final examination in mathematics. The scores were normally distributed with a mean score of 68% and a standard deviation of 8.5%. Determine the percentile rank of each of the following people: (a) Jennifer, who scored 78 % (b) Steven, who got 55 % (c) Jessica, who was very happy with her mark of 89 %
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 4CYU
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A class of 135 students took a final examination in mathematics. The scores were normally distributed with a
mean score of 68% and a standard deviation of 8.5%. Determine the percentile rank of each of the following people:(a) Jennifer, who scored 78 %
(b) Steven, who got 55 %
(c) Jessica, who was very happy with her mark of 89 %
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