A researcher is interested in determining if the claim that a medical procedure takes onlv 1.5 hours is correct. He takes a sample of data from 10 hospitals and finds that the average time for the procedure is 2 hours with a standard deviation of 1 hour. Which of the following would be an appropriate null hypothesis? O the average time for qmpletion of the procedure is 1.5 hours. O the average time for completion of the procedure is greater than 1.5 hours. O the average time for completion of the procedure is less than 1.5 hours. O the average time for completion of the procedure is not equal to 1.5 hours.

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QUESTION 12
A researcher is interested in determining if the claim that a medical procedure takes onlv 1.5 hours is correct.
He takes a sample of data from 10 hospitals and finds that the average time for the procedure is 2 hours with a
standard deviation of 1 hour.
Which of the following would be an appropriate null hypothesis?
the average time for qmpletion of the procedure is 1.5 hours.
O the average time for completion of the procedure is greater than 1.5 hours.
O the average time for completion of the procedure is less than 1.5 hours.
O the average time for completion of the procedure is not equal to 1.5 hours.
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HEWLETT PACKARD
Transcribed Image Text:QUESTION 12 A researcher is interested in determining if the claim that a medical procedure takes onlv 1.5 hours is correct. He takes a sample of data from 10 hospitals and finds that the average time for the procedure is 2 hours with a standard deviation of 1 hour. Which of the following would be an appropriate null hypothesis? the average time for qmpletion of the procedure is 1.5 hours. O the average time for completion of the procedure is greater than 1.5 hours. O the average time for completion of the procedure is less than 1.5 hours. O the average time for completion of the procedure is not equal to 1.5 hours. Save All Ansv Click Save and Submit to save and submit. Click Save All Answers to save all answers. Rair ) 耳 O search 99+ HEWLETT PACKARD
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