Math Problem Statement

Find the coefficient of variation for each of the two sets of data, then compare the variation. Round results to one decimal place.

Listed below are the systolic blood pressures (in mm Hg) for a sample of men aged 20-29 and for a sample of men aged 60-69.

Solution

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Math Problem Analysis

Mathematical Concepts

Statistics
Measures of Variation
Coefficient of Variation
Standard Deviation
Mean

Formulas

Mean = (Sum of data points) / (Number of data points)
Standard Deviation (SD) = sqrt[(Σ(data point - mean)^2) / (Number of data points)]
Coefficient of Variation (CV) = (Standard Deviation / Mean) × 100

Theorems

None specific; general statistical principles are used.

Suitable Grade Level

Grades 10-12