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8. Compute the arithmetic mean. 9. Compute the standard deviation. 10. Construct a histogram to display the distribution of astigmatism.

8. Compute the arithmetic mean. 9. Compute the standard deviation. 10. Construct a histogram to display the distribution of astigmatism.

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
Section: Chapter Questions
Problem 13PT
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Ophthalmology Table 2 comes from a paper giving the distribution of astigmatism in 1033 young men ranging in age from 20 to 24 who were accepted for military service in the United States. Assume that astigmatism is rounded to the nearest 10th of a diopter and each subject in a group has the average astigmatism within that group (e.g., for the group 2.0-2.9 diopters, the actual range is from 1.95 to 2.95 diopters), and assume that each man in the group has an astigmatism of (1.95 + 2.95)/2 = 2.45 diopters. Degree of astigmatism (diopters) Frequency 0.0-0.9 458 1.0-1.9 268 2.0-2.9 151 3.0-3.9 79 4.0-4.9 44 5.0-5.9 33 1033 Table 2: Distribution of astigmatism in 1033 young men age 20-24 8. Compute the arithmetic mean. 9. Compute the standard deviation. 10. Construct a histogram to display the distribution of astigmatism.
Transcribed Image Text:Ophthalmology Table 2 comes from a paper giving the distribution of astigmatism in 1033 young men ranging in age from 20 to 24 who were accepted for military service in the United States. Assume that astigmatism is rounded to the nearest 10th of a diopter and each subject in a group has the average astigmatism within that group (e.g., for the group 2.0-2.9 diopters, the actual range is from 1.95 to 2.95 diopters), and assume that each man in the group has an astigmatism of (1.95 + 2.95)/2 = 2.45 diopters. Degree of astigmatism (diopters) Frequency 0.0-0.9 458 1.0-1.9 268 2.0-2.9 151 3.0-3.9 79 4.0-4.9 44 5.0-5.9 33 1033 Table 2: Distribution of astigmatism in 1033 young men age 20-24 8. Compute the arithmetic mean. 9. Compute the standard deviation. 10. Construct a histogram to display the distribution of astigmatism.
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