A Used Car Lot Owner Wanted to Estimate the Amount

question 30

Multiple Choice

A used car lot owner wanted to estimate the amount spent by customers during the summer months. She took a random sample of customers and recorded the amount they spent. A histogram
Showed the data was right-skewed so she took the log of each value and verified that the
Distribution of these values was more Normally distributed. What test/method should she use to
Estimate the mean amount spent during the summer months?

• A) Mann-Whitney Test
• B) Data transformation
• C) Paired t-test
• D) Sign Test

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Definitions:

Immigrant Groups

Communities or collections of people who have moved from their native countries to live in a foreign country.

Suburbanism

Is a way of life outside city centres that is organized mainly around the needs of children and involves higher levels of conformity and sociability than life in the central city.

Outdoor Basketball

The playing of the basketball sport in outdoor courts, distinguished from indoor basketball by environmental and play conditions.

Downtown Core

The central business district of a city, characterized by high concentrations of retail, business, and entertainment facilities.