Question
Medical Operations The director of a medical hospital
feels that her surgeons perform fewer operations per
year than the national average of 211. She selected a
random sample of 15 surgeons and found that the mean
number of operations they performed was 208.8. The
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Medical Operations The director of a medical hospital feels that her surgeons perform fewer operations per year than the national average of 211. She selected a random sample of 15 surgeons and found that the mean number of operations they performed was 208.8. The

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