The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has no units, 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 you conclude? CV= Standard Deviation/Mean /times 100% Heights Weights 72 172 69 214 70 201 73 182 78 207 76 227 73 230 71 183 66 211 74 181 76 211 68 186 CV heights=__________% (round to the nearest tenth as needed)
The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has no units, 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 you conclude?
CV= Standard Deviation/Mean /times 100%
Heights Weights
72 172
69 214
70 201
73 182
78 207
76 227
73 230
71 183
66 211
74 181
76 211
68 186
CV heights=__________% (round to the nearest tenth as needed)
The coefficient of variation formula is, CV = (s/x̅) × 100%, where x̅ is the sample mean and s is the sample standard deviation.
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