An average department store sells 150 men's suits per year. The men's suit departments at a particular national chain of stores claim they sell more than the industry average. In 45 of their stores, they sold, on the average, 190 suits per year with a population standard deviation of 30. What is the test value for their claim?
A) 0.20
B) 1.33
C) 5.14
D) 8.94

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The Answer of An average department store sells 150 men's suits per year. The men's suit departments at a particular national chain of stores claim they sell more than the industry average. In 45 of their stores, they sold, on the average, 190 suits per year with a population standard deviation of 30. What is the test value for their claim?
A) 0.20
B) 1.33
C) 5.14
D) 8.94

An Average Department Store Sells 150 Men's Suits Per Year