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

Question

Quizplus · Accepted Answer

Data transformation is used to normalize the data, allowing the use of parametric tests like the t-test to estimate the mean.

A Used Car Lot Owner Wanted to Estimate the Amount