22. Credit card charges. A credit card company takes a random sample of 100 cardholders to see how much they charged on their card last month. A histogram and boxplot are as follows:

A computer program found that the 95% confidence interval for the mean amount spent in March 2005 is 1- $28,366.84, $90,691.492. Explain why the analysts didn’t find the confidence interval useful, and explain what went wrong.

Transcribed Image Text:

80 80 60 60 Frequency 40 40 20 20 1,500,000 2,500,000 March 2005 Charges 0 0 500,000 2,500,000 0 500,000 1,500,000 March 2005 Charges