The degrees of freedom are calculated asd.f.= n - 1 when using the t-test for comparing two means.
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Q4: When the difference between two groups is
Q5: To use the chi-square test,both variables in
Q6: In practice,t-test results are commonly calculated by
Q7: A t-test is not appropriate and should
Q8: The chi-square test tests the significance of
Q10: The t-test assumes that the two population
Q11: The t-test for comparing the means of
Q12: A statistical test that is used often
Q13: One way to test the significance of
Q14: A cross-tabulation is a simple way to
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