Mathematics, 12.02.2021 05:10 tporter00

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 complaints are contained in the file BBB. Click on the datafile logo to reference the data. a. Construct a frequency distribution for the number of complaints by industry. CategoryObserved Frequency Bank 26 Cable 44 Car 42 Cell 60 Collection 28 Total 200 b. Using , 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). -value (to 4 decimals) What is your conclusion

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Historically, the industries with the most complaints to the Better Business Bureau have been banks,...