The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has nounits, you can use the coefficient of variation to compare data with different units. Find the coefficient of variation for each sample data set. What can youconclude?

CV=StandarddeviationMean100%

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Click the icon to view the data sets.

CVheights=

nothing

% (Round to the nearest tenth asneeded.)

CVweights=

nothing

% (Round to the nearest tenth asneeded.)

What can youconclude?

A.

Weight is more variable than height.

B.

Height is more variable than weight.

Data Table:

Heights Weights

74 218

71 190

75 169

70 202

72 204

70 178

80 216

77 169

80 200

78 226

68 211

70 227