01:202:302 Lecture Notes - Lecture 9: Null Hypothesis, Statistical Hypothesis Testing, Test Statistic
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17 Apr 2016
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Class activity 9 (hypothesis testing using two categorical variables) . Describe when we should use chi2 test by providing an example? (think about levels of measurement) Answer - we should use the chi2 test when the dependent variable and the independent variable are both categorical. Following the chart from the book can point this out. Gender and the feelings towards capital punishment are an example we could use, much like the ones provided in the next section. Download the dataset named 10 gss 2012 chi2 on blackboard. Practice what you learned in chapter 10 about hypothesis testing. Using variables sex and cappun in spss file; (a) set ho and h1, (b) run the analysis, (c) interpret the results. The following information is to help you answer the question 2: The chi square analysis is found via the sequence: analyze descriptive statistics . Square. obt statistic is located on the line labeled pearson chi-