A manufacturer of floor polish conducted a consumer-preference experiment to det

Question

A manufacturer of floor polish conducted a consumer-preference experiment to determine which of five different floor polishes was the most appealing in appearance. A sample of 100 consumers viewed five patches of flooring that had each received one of the five polishes. Each consumer indicated the patch he or she preferred. The lighting and background were approximately the same for all patches. The results are given below. Solve the following using the p-value approach and solve using the classical approach.

(c) Complete the hypothesis test using ? = 0.10.
(i) Find the test statistic. (Give your answer correct to two decimal places.)

Explanation / Answer

observed expected O - E (O - E)

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