In this program, a helpful bunch of bullies comes to grips with null and alternate hypotheses, the significance level, the test statistic, acceptance and rejection regions, one- and two-tailed tests, and Type I and Type II errors. The essentials of dealing with small samples—including t-distribution, the t-Value Formula, and degrees of freedom—are also tackled. (37 minutes)

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Part of the Series : Statistics: The Standard Deviants? Core Curriculum



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