Question

Kuya conducted a study to compare variances between the weight of 18-wheeler trucks and their mi/gallon...

Kuya conducted a study to compare variances between the weight of 18-wheeler trucks and their mi/gallon statistics. Which variable is less consistent and which is more consistent?

Weight at sd = 1.89
Mi/gal at sd = 2.44
Weight at cvar = 7.59%

Mi/gal at cvar = 15.76%

Weight Mi/gal
23 12
27 16
26 17
24 14
25 18
27 13
22 19
24 17
26 18
25 12
25 13
28 15
22 17
Math   Statistics-And-Probability   
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Answer #1

Coefficient of variation for Weight < Coefficient of variation for Mi/gal

Therefore, variable Weight is more consistent.

and variable Mi/gal is less consistent.

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