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What was the age distribution of nurses in Great Britain at the time of Florence Nightingale?...

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) 20-29 30-39 40-49 50-59 60-69 70-79 80+
Midpoint x 24.5 34.5 44.5 54.5 64.5 74.5 84.5
Percent of nurses 5.8% 9.3% 19.9% 29.4% 25.2% 8.8%

1.6%

(d) Compute the expected age μ of a British nurse contemporary to Florence Nightingale. (Round your answer to two decimal places.)

(e) Compute the standard deviation σ for ages of nurses shown in the distribution. (Round your answer to two decimal places.)

Math   Statistics-And-Probability   
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What was the age distribution of nurses in Great Britain at the time of Florence Nightingale?...
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