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=Standarddeviation/ Mean100%

Heights Weights

77 227

67 179

66 226

77 219

70 226

74 229

67 178

68 195

70 208

80 223

80 193

78 200

CVheights=______%

(Round to the nearest tenth asneeded.)

CVweights=______% (Round to the nearest tenth asneeded.)

What can youconclude?

A.Weight is more variable than height.

B.Height is more variable than weight.