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astern Michiga

Describing Data

5

ProblemSolving. 6 ProblemSolving (F Eastern Michiga x

xtbookstore.com/mathinsociety/2.5/DescribingData.pdf

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100%

Actuar

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Salary (thousands of S)

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12. Referring to the boxplot above, what percentage of actuaries makes more than the

median salary of a CPA?

Exploration

13. Studies are often done by pharmaceutical companies to determine the effectiveness of

a treatment program. Suppose that a new AIDS antibody drug is currently under

study. It is given to patients once the AIDS symptoms have revealed themselves. Of

interests the average length of time in months patients live once starting the

treatment. Two researchers each follow a different set of 40 AIDS patients from the

start of treatment until their deaths. The following data (in months) are collected.

Researcher 1: 3; 4; 11; 15; 16; 17; 22, 44; 37, 16; 14; 24; 25; 15; 26: 27:33;29:

35: 44; 13:21; 22: 10; 12; 8: 40: 32; 26; 27;31;34;29; 17; 8; 24; 18; 47; 33;34

Researcher 2: 3; 14; 11; 5; 16; 17; 28; 41; 31; 18; 14; 14; 26; 25: 21: 22: 31; 2: 35:

44; 23; 21;21; 16; 12; 18;41;22; 16; 25;33: 34: 29: 13; 18; 24: 23: 42; 33: 29

Create comparative histograms of the data

b. Create comparative boxplots of the data

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