Question: You wish to test the following claim () at a significance level of . For the context of this problem, where the first data set represents a pre-test and the second data set represents a post-test.
You believe the population of difference scores is normally distributed, but you do not know the standard deviation. You obtain the following sample of data:
What is the critical value for this test? (Report answer accurate to three decimal places.)
critical value =
What is the test statistic for this sample? (Report answer accurate to three decimal places.)
test statistic =
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