1.a A medical researcher is interested in finding out whether a new medication for asthma will have any undesirable effects. Specifically, the researcher intends to know if the pulse rate will increase, decrease, or remain unchanged after a patient takes the medication. Thirty female asthmatic patients of the same age were subjected to the experiment. It is known that the average pulse rate for this population is 82 beats per minute. The pulse rate
1. Which of the following is(are) TRUE about pairwise mean comparison?
I. Two means which are declared different by Scheffe’s test will also be declared different by
HSD.
II. Compared to that required by LSD, HSD requires a larger mean difference between two
treatments to be significantly different.
A. I only B. II only C. Both I and II D. Neither I nor
1.a A medical researcher is interested in finding out whether a new medication for asthma will have
any undesirable effects. Specifically, the researcher intends to know if the pulse rate will increase,
decrease, or remain unchanged after a patient takes the medication. Thirty female asthmatic
patients of the same age were subjected to the experiment. It is known that the average pulse
rate for this population is 82 beats per minute. The pulse rate of each patient after taking the
medication was recorded. The appropriate null and alternative hypotheses for the given
experiment is ___________.
A. Ho: μ ≥ 82 B. Ho: μ = 82 C. Ho: X ≥ 82 D. Ho: X = 82
Ha: μ < 82 Ha: μ ≠ 82 Ha: X < 82 Ha: X ≠ 82
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