When would a large difference between the means of the control and treatment groups be very likely to be statistically significant?
A) only if the hypothesis is false
B) only if the sample size is large
C) only if the experimental result is practically significant
D) only if the experimental result is not practically significant
B
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Which of the following is NOT involved in some
way in the body’s first line of defense? a. urination b. diarrhea c. gastric juice d. complement e. ciliated cells
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