The experiment described in Example 12.2 compared antibody production in 13 male red-winged blackbirds before and after testosterone implants. The units of antibody levels were the natural log of the optical density per minute (In[mOD/min]). The mean change in antibody production was d = 0.056, and the standard deviation was %3D Sd = 0.159. If you were assigned the task of repeating this experiment to test the hypothesis that testosterone changed antibody levels, what sample size (i.e. number of blackbirds) would you plan to ensure that a mean change of 0.05 units, and a probability of 0.8, could be detected? Round to the nearest WHOLE BIRD.
The experiment described in Example 12.2 compared antibody production in 13 male red-winged blackbirds before and after testosterone implants. The units of antibody levels were the natural log of the optical density per minute (In[mOD/min]). The mean change in antibody production was d = 0.056, and the standard deviation was %3D Sd = 0.159. If you were assigned the task of repeating this experiment to test the hypothesis that testosterone changed antibody levels, what sample size (i.e. number of blackbirds) would you plan to ensure that a mean change of 0.05 units, and a probability of 0.8, could be detected? Round to the nearest WHOLE BIRD.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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![The experiment described in Example 12.2 compared antibody production in 13 male red-winged blackbirds before
and after testosterone implants. The units of antibody levels were the natural log of the optical density per minute
(In[mOD/min]). The mean change in antibody production was d = 0.056, and the standard deviation was
%3D
Sd = 0.159. If you were assigned the task of repeating this experiment to test the hypothesis that testosterone
changed antibody levels, what sample size (i.e. number of blackbirds) would you plan to ensure that a mean change
of 0.05 units, and a probability of 0.8, could be detected?
Round to the nearest WHOLE BIRD.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F6f9ca2ce-c481-46d9-90b7-dd41b10c6161%2F01270428-c24e-4bd0-b854-63c4ea3eaa3c%2F2fcc04r.png&w=3840&q=75)
Transcribed Image Text:The experiment described in Example 12.2 compared antibody production in 13 male red-winged blackbirds before
and after testosterone implants. The units of antibody levels were the natural log of the optical density per minute
(In[mOD/min]). The mean change in antibody production was d = 0.056, and the standard deviation was
%3D
Sd = 0.159. If you were assigned the task of repeating this experiment to test the hypothesis that testosterone
changed antibody levels, what sample size (i.e. number of blackbirds) would you plan to ensure that a mean change
of 0.05 units, and a probability of 0.8, could be detected?
Round to the nearest WHOLE BIRD.
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