0. A real estate agent believes that the average closing cost when purchasing a new home is $6500. She selects 40 new ho
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0. A real estate agent believes that the average closing cost when purchasing a new home is $6500. She selects 40 new ho
0. A real estate agent believes that the average closing cost when purchasing a new home is $6500. She selects 40 new home sales at random; among these, the average closing cost is $6600. The standard deviation of the population is $120. At a = 0.05, conduct all steps of a hypothesis test to test the agent's claim.
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