See the attached file.
Businesses are increasingly placing orders online. The Performance Measurement Group collected data on the rates of correctly filled electronic orders by industry (Investor's Business Daily, May 8, 2000). Assume a sample of 700 electronic orders provided the following results.
See attachment for table.
a. Test a hypothesis to determine whether order fulfillment is independent of industry. Use a=.05. What is your conclusion?
b. Which industry has the highest percentage of correctly filled orders?
The solution examines a hypothesis test to determine whether order fulfillment is independent of industry. The industry with the highest percentage of correctly filled orders is determined.