Solve the Problem. -Carole's Car Averages 15.3 Miles Per Gallon in City Driving

question 66

Multiple Choice

Solve the problem.
-Carole's car averages 15.3 miles per gallon in city driving and 24.5 miles per gallon in highway driving. If she drove a total of 382.7 miles on 19 gallons of gas, then how many of the gallons were
Used for city driving?

• A)10 gallons
• B)11 gallons
• C)15 gallons
• D)9 gallons

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Definitions:

Variance

A measure of the spread between numbers in a dataset, expressing how much the numbers differ from the average value.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is true, used as a threshold to gauge the strength of the evidence against the null hypothesis.

Standard Deviation

Measures the amount of variance or dispersion of a set of values; a low standard deviation indicates that the values are close to the mean.

Delivery Times

The duration taken for goods or services to be transported from the supplier to the recipient.