Find the Coefficient of Variation for Each of the Two $\begin{array} { l l l l l l } \text { Men aged 20-29: } 118 & 124 & 129 & 118 & 131 & 123 \end{array}$

question 50

Multiple Choice

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. $\begin{array} { l l l l l l } \text { Men aged 20-29: } 118 & 124 & 129 & 118 & 131 & 123 \end{array}$
$\begin{array} { l l l l l l } \text { Men aged 60-69: } 131 & 151 & 137 & 125 & 164 & 139 \end{array}$

• A)Men aged 20-29: 4.4% Men aged 60-69: 10.0 %
• 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: 10.5%
• There is substantially more variation in blood pressures of the men aged 60-69.
• C)Men aged 20-29: 4.2% Men aged 60-69: 8.1%
• There is substantially more variation in blood pressures of the men aged 60-69.
• D)Men aged 20-29: 7.2% Men aged 60-69: 4.6%
• There is more variation in blood pressures of the men aged 20-29.

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