QUESTION 8 The antibody production of 12 male red-winged blackbirds before and after receiving testosterone implants was compared. The units for antibody levels were natural log (10-3 optical density) per minute (In(mOD/min)). The mean change in antibody production was d = 0.056, and the standard deviation was s, = 0.295 If you were assigned the task of repeating this experiment, and wanted to ensure that you could detect a mean change of 0.06 units with a probability of 0.8, then what sample size would you use? Since we are calculating n for a study of individuals, answers should be rounded up to the next whole number.

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**Question 8**

The antibody production of 12 male red-winged blackbirds before and after receiving testosterone implants was compared. The units for antibody levels were in natural log (10^-3 optical density) per minute (ln(mOD/min)). The mean change in antibody production was \( d = 0.056 \), and the standard deviation was \( s_d = 0.295 \).

If you were assigned the task of repeating this experiment, and wanted to ensure that you could detect a mean change of 0.06 units with a probability of 0.8, then what sample size would you use?

Since we are calculating \( n \) for a study of individuals, answers should be rounded up to the next whole number.
Transcribed Image Text:**Question 8** The antibody production of 12 male red-winged blackbirds before and after receiving testosterone implants was compared. The units for antibody levels were in natural log (10^-3 optical density) per minute (ln(mOD/min)). The mean change in antibody production was \( d = 0.056 \), and the standard deviation was \( s_d = 0.295 \). If you were assigned the task of repeating this experiment, and wanted to ensure that you could detect a mean change of 0.06 units with a probability of 0.8, then what sample size would you use? Since we are calculating \( n \) for a study of individuals, answers should be rounded up to the next whole number.
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