Please answer in Excel: An auditor for a government agency was assigned the task of evaluating reimbursement for office visits to physicians paid by Medicare. The audit was conducted on a sample of 75 reimbursements, with the following results: • In 12 of the office visits, there was an incorrect amount of reimbursement. • The amount of reimbursement was X = $93.70, S = $34.55. a. At the 0.05 level of significance, is there evidence that the population mean reimbursement was less than $100 d. What is your answer to (a) if the sample mean equals $90?
Unitary Method
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Please answer in Excel:
An auditor for a government agency was assigned the task of evaluating reimbursement for office visits to physicians paid by Medicare. The audit was conducted on a sample of 75 reimbursements, with the following results:
• In 12 of the office visits, there was an incorrect amount of reimbursement.
• The amount of reimbursement was X = $93.70, S = $34.55.
a. At the 0.05 level of significance, is there evidence that the population
d. What is your answer to (a) if the sample mean equals $90?
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