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Business and Management Big banks and cable television providers traditionally receive very low…

Business and Management Big banks and cable television providers traditionally receive very low customer service ratings. Many of us simply hate dealing with banks and cable companies. In a recent survey by MSN Money, each participant was asked to select the one item that matters the most in customer service.11 A random sample of consumers was obtained shortly after the 2014 holiday shopping season, and each was also asked the same question. The results are given in the following table.

Business and Management Big banks and cable television providers traditionally receive very low...

Conduct a goodness-of-fit test to determine whether there is evidence that the true 2014 proportions of the most important customer service items have changed since the MSN survey. Use a = 0.05.