Calculate the chi square statistic.χ2 = Short answer, 5 points each.Why does the tobt change when we use dependent v. independent samples t-tests?________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Why does the tcrit change when we use dependent v. independent samples t-tests?________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________How can we figure out how many people we have in a sample, given a specific degrees of freedom? Answer for both independent and dependent samples tests.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Which is preferable, a dependent samples test or an independent samples? Give two reasons why.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Explain pooled variance.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Given the choice, we won’t use the chi-square test. What’s so wrong with it? What are the assumptions associated with the chi-square?____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Extra credit.Why do we care about homogeneity of variance?________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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