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Which of the following is not one of the assumptions for a confidence interval for proportions....

Which of the following is not one of the assumptions for a confidence interval for proportions.

A simple random sample of size n is taken.
the sample mean is known

The conditions for the binomial distribution are satisfied.

A calculated value of d = .45 indicates

a small effect size
a medium effect size
a large effect size
a significant effect size

np̂ ≥ 5 and nq̂ ≥ 5

With respect to effect size, what is the issue with reporting only significance levels of hypothesis tests?

There could be a decision error.
The outcome could be due to chance.
It may be misleading if the effect is too small to be of any practical significance.
Math   Statistics-And-Probability   
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