In independent random samples, both samples are randomly selected and independent of one another.
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Q11: If a researcher is interested in comparing
Q12: If a researcher was comparing number of
Q13: In the equations for a t-test
Q14: The t-test and z-test of means is
Q15: Rarely does one know the population variance.
Q17: For Pooled and Separate variance t-tests, we
Q18: Matched-groups t-test is appropriate when the two
Q19: If the F test leads us to
Q20: A researcher wishing to compare the values
Q21: A sample of 15 students had data
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