Average Childcare Costs Narrative
The public relations officer for a particular city claims the average monthly cost for childcare outside the home for a single child is $700. A potential resident is interested in whether the claim is correct. She obtains a random sample of 64 records and computes the average monthly cost of this type of childcare to be $689 with a standard deviation of $40.
-Refer to Average Childcare Costs Narrative. Find the power of the test when is actually $685 and = 0.05. Interpret the results.

Question

Average Childcare Costs Narrative
The public relations officer for a particular city claims the average monthly cost for childcare outside the home for a single child is $700. A potential resident is interested in whether the claim is correct. She obtains a random sample of 64 records and computes the average monthly cost of this type of childcare to be $689 with a standard deviation of $40.
-Refer to Average Childcare Costs Narrative. Find the power of the test when  is actually $685 and  = 0.05. Interpret the results.

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The Answer of Average Childcare Costs Narrative
The public relations officer for a particular city claims the average monthly cost for childcare outside the home for a single child is $700. A potential resident is interested in whether the claim is correct. She obtains a random sample of 64 records and computes the average monthly cost of this type of childcare to be $689 with a standard deviation of $40.
-Refer to Average Childcare Costs Narrative. Find the power of the test when  is actually $685 and  = 0.05. Interpret the results.