Historically, the industries with the most complaints to the Better Business Bureau have been banks, cable and satellite television companies, collection agencies, cellular phone providers, and new car dealerships. The results for a sample of 200 complaints are contained in the file BBB. Click on the datafile logo to reference the data. DATA file a. Construct a frequency distribution for the number of complaints by industry. Observed Category Frequency Bank Cable Car Cell Collection Total b. Using a = 0.01, conduct a hypothesis test to determine whether the probability of a complaint is the same for the five industries. The test-statistic is (to 3 decimals). p-value = (to 4 decimals) What is your conclusion? - Select your answer - c. Which industry has the most complaints? - Select your answer - : Dropping the industry with the most complaints using a = 0.05, conduct a hypothesis test to determine whether the probability of a complaint is the same for the remaining four industries. The test-statistic is (to 3 decimals). p-value = (to 4 decimals)

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