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

Question

Quizplus · Accepted Answer

Data transformation has already been applied by taking the log of each value to normalize the distribution, allowing for parametric tests to estimate the mean.

A Used Car Lot Owner Wanted to Estimate the Amount