Listed Below Are the Systolic Blood Pressures (In Mm Hg)for

question 38

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. $\begin{array}{llllll}\text { Men aged 20-29: } &117 & 122 & 129 & 118 & 131 & 123\\\text { Men aged 60-69:}& 130 & 153 & 141 & 125 & 164 & 139\end{array}$ 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.

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