# Variance on Miles per Gallon

Students in a high school class have collected data on the gas mileage of their parents cars. The data are summarized in the table below.

Gas Mileage (based on miles per gallon)

Mean - 22.7

Median - 24

Variance - 16.8

The students would like to convert the results to kilometers per liter to compare the results with a class in Holland. If 1 mile/gallon = .425 kilometers/liter, make a table showing the correct conversion for each statistical parameter.

Mean - 9.65

Median - 10.20

What is the variance and how is it obtained?

https://brainmass.com/statistics/quantative-analysis-of-data/variance-miles-per-gallon-260179

#### Solution Preview

Variance can be thought of as having units equivalent to square of the units for mean. Why? Because variance is ...

#### Solution Summary

The solution gives an explanation of how the variance is calculated, with the final answer.

$2.19