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Surveys of students’ hours of studying has the following results: a sample of 21 econ students has a mean=25 and a variance =36; a sample of 16 poly sci students has a mean=7 and a variance=85. Are the variance of study hours the same for econ and poly sci students? Use a significance level of .01. The null hypothesis is The alternative hypothesis is the critical value of the test statistics is the value of the test statistic is your conclusion is
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