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Variance of the chronic lung disease data distribution

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Reference no: EM132394183

Skinfold thickness over the triceps muscle in the arm is an anthropometric measure that varies with states of health. Table below lists skinfold measurement at the midpoint of the triceps in eight men with chronic lung disease and nine comparably aged controls.

Chronic lung disease:

9 11 11 15 25.4 13 21 18

Controls:

31 39 23 19 25 38 26 36 19

What is the sample variance of the Chronic lung disease data distribution?

A. 15.42

B. 61.52

C. 31.96

D. 5.6

Reference no: EM132394183

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