mean jan 1 2020- 14.21022727 mean jan 1 2021- 18.17613636

On January 1 2020 176 people were asked how many car washes they had purchased in the previous year. On January 1 2021, those same people were asked how many times they had purchased a car wash in the previous year during covid. The results of the two surveys are contained in the excel file on our Moodle page. A Design and run a test to determine if the number of times people washed their cars annually changed due to the pandemic. Use alpha = .01 B Generate a CIE that confirms your test result in part A