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You are considering testing a new drug that is supposed to facilitate learning in mentally retarded children. Because there is relatively little known about the
You are considering testing a new drug that is supposed to facilitate learning in mentally retarded children. Because there is relatively little known about the drug, you plan to use a nondirectional alternative hypothesis. Since your resources are limited, you can test only 20 subjects. The subjects will be run in a repeated measures design and the data will be analyzed with the sign test, usinga= 0.052 tail.
Refer to Exhibit 11-1. what is the power of this experiment?
0.2458 |
0.6161 |
0.4163 |
0.2969 |
s
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