To use the chi-square test,both variables in a 2 x 2 contingency table must be measured on a ratio scale.
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Q1: The independent samples t-test tests the differences
Q2: The chi-square test requires that the expected
Q3: A pooled estimate of the standard error
Q4: When the difference between two groups is
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
Q9: The degrees of freedom are calculated asd.f.=
Q10: The t-test assumes that the two population
Q11: The t-test for comparing the means of
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