Listed Below Are the Systolic Blood Pressures (In Mm Hg) $117 \quad 122 \quad 129 \quad 118 \quad 131 \quad 123$

Multiple Choice

Listed below are the systolic blood pressures (in mm Hg) for a sample of men aged 20-29 years and for a sample of men aged 60-69 years.
Men aged 20-29: $117 \quad 122 \quad 129 \quad 118 \quad 131 \quad 123$
Men aged 60-69: $130 \quad 153 \quad 141 \quad 125 \quad 164 \quad 139$
Find the coefficient of variation for each of the two sets of data, then compare the variation Round results to one decimal place.

A) Men aged 20-29: 4.8% Men aged 60-69: 10.6% There is substantially more variation in blood pressures of the men aged 60-69 .
B) Men aged 20-29: 4.6% Men aged 60-69: 10.2% There is substantially more variation in blood pressures of the men aged 60-69 .
C) Men aged 20-29: 7.6% Men aged 60-69: 4.7% There is more variation in blood pressures of the men aged 20-29 .
D) Men aged 20-29: 4.4% Men aged 60-69: 8.3% There is substantially more variation in blood pressures of the men aged 60-69 .