The Eagle Ridge Contractors' Association claims the average price of a home in their subdivision is
$125,150, with a standard deviation of $7,350. A sample of 36 homes for sale in this subdivision had an
average selling price of $123,550. Is there evidence that the costs of homes for sale in this subdivision are
actually lower than claimed?
-An average department store sells 200 men's suits per year. The men's suit departments at a particular national chain of stores claim that they more than the industry average. In a sample of 50 stores, they
Sold, on the average, 280 suits per year with a standard deviation of $40. What is the test statistic for this
Hypothesis?
A) 0.28
B) 2.00
C) 8.07
D) 14.14

Question

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The Answer of The Eagle Ridge Contractors' Association claims the average price of a home in their subdivision is
$125,150, with a standard deviation of $7,350. A sample of 36 homes for sale in this subdivision had an
average selling price of $123,550. Is there evidence that the costs of homes for sale in this subdivision are
actually lower than claimed?
-An average department store sells 200 men's suits per year. The men's suit departments at a particular national chain of stores claim that they more than the industry average. In a sample of 50 stores, they
Sold, on the average, 280 suits per year with a standard deviation of $40. What is the test statistic for this
Hypothesis?
A) 0.28
B) 2.00
C) 8.07
D) 14.14

The Eagle Ridge Contractors' Association Claims the Average Price of a Home