A confidence interval computed for the mean of a single sample
a. defines clearly where the population mean falls.
b. is not as good as a test of some hypothesis.
c. does not help us decide if there is a significant effect.
d. is associated with a probability statement about the location of a population mean.
Question 2
When would you NOT use a standardized measure of effect size?
a. when the difference in means is itself meaningful
b. when it is clearer to the reader to talk about a percentage
c. when some other measure conveys more useful information
d. all of the above
Many human diseases are caused by mutations in single genes
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