The market sells four different types of perfumes. The manager
reports that the four different perfumes are equally popular.
Suppose that a sample of 100 purchases yields observed counts 30,
24, 22, and 24, for types 1, 2, 3, and 4 respectively.
Use a 0.10 significance level to test the claim that the four types
are equally popular.
(a) Identify the appropriate hypothesis test and explain the
reasons why it is appropriate for analyzing this data.
(b) Identify the null...