A researcher does a paired-samples t test with 39 cases. How many degrees of freedom does the t test have? __________
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Q30: When does a researcher risk making a
Q31: You are testing a one-tailed independent-samples t
Q32: Why are paired samples called that?
Q33: Can two frequency distributions substantially overlap if
Q34: What kinds of questions can you answer
Q36: A researcher has done a paired-samples t-test.
Q37: When does a researcher risk making a
Q38: Write a research hypothesis and its companion
Q39: Does statistical significance indicate substantive importance? Explain.
Q40: Why are independent samples called that?
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