(d) Compute the expected age of a British nurse contemporary to Florence Nightingale. (Round your answer to two decimal places.) yr (e) Compute the standard deviation o for ages of nurses shown in the distribution. (Round your answer to two decimal places.) yr

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
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Author:Carter
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Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 4AGP
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What was the age distribution of nurses in Great Britain at the time of Florence Nightingale? Suppose we have the following information.
Note: In 1851 there were 25,466 nurses in Great Britain.
Age range (yr)
Midpoint x
Percent of nurses
USE SALT
20-29
24.5
5.1%
30-39
34.5
9.6%
40-49
44.5
19.5%
50-59
54.5
29.1%
60-69
64.5
24.5%
70-79
80+
74.5
84.5
10.7% 1.5%
Transcribed Image Text:What was the age distribution of nurses in Great Britain at the time of Florence Nightingale? Suppose we have the following information. Note: In 1851 there were 25,466 nurses in Great Britain. Age range (yr) Midpoint x Percent of nurses USE SALT 20-29 24.5 5.1% 30-39 34.5 9.6% 40-49 44.5 19.5% 50-59 54.5 29.1% 60-69 64.5 24.5% 70-79 80+ 74.5 84.5 10.7% 1.5%
(d) Compute the expected age μ of a British nurse contemporary to Florence Nightingale. (Round your answer to two decimal
places.)
yr
(e) Compute the standard deviation o for ages of nurses shown in the distribution. (Round your answer to two decimal places.)
yr
Transcribed Image Text:(d) Compute the expected age μ of a British nurse contemporary to Florence Nightingale. (Round your answer to two decimal places.) yr (e) Compute the standard deviation o for ages of nurses shown in the distribution. (Round your answer to two decimal places.) yr
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