Question: 5. In Problem 3, suppose you were interested in detecting a true difference of 9 IQ points 5. but you ended up with only six

5. In Problem 3, suppose you were interested in detecting a true difference of 9 IQ points 5.

but you ended up with only six children in each group.

(a) From Table 19.1, what would be your best estimate of the power of your test?

(b) Imagine that the enrichment program, in truth, has an impact on the verbal intelligence of children. Given the estimate in Problem 5a, what proportion of such experiments—conducted repeatedly under identical conditions—would you expect to result in statistical significance?

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