Question: An analyst used a normal distribution to test H 0 : 2 0 vs: H a : 2 > 0 because she had a sample
An analyst used a normal distribution to test H0: 2 0
vs: Ha: 2 > 0
because she had a sample size of 32. She subsequently discovered that 10 of her data points came from a biased source and she discarded these, leaving her with a sample of size 22. Thus, she changed from using a normal distribution to using a Student t distribution. If nothing else changes, then
A. the new rejection region will be smaller
B. the new rejection region will be larger
C. there will be no effect on the size on the rejection region
D. there will be no effect on the size of the acceptance region
E. none of the above
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