Mathematics, 22.04.2020 00:58 demarcuswiseman
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
Answers: 1
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Surveys of students’ hours of studying has the following results: a sample of 21 econ students has a...
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