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Midterm

Two Sample Means Test

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Department
Geography
Course
GGR270H1
Professor
Damian Dupuy
Semester
Fall

Description
Two Sample Means Test Used when the objective is to compare two samples You are testing whether there is a significant difference between two samples If the sample differences are significant, then statistical inference allows the researcher to conclude that the samples are drawn from different populations. 1. Hypotheses *0307,O1472 H0: No significant difference between the mean of sample 1 and the mean of sample 2. Therefore, the samples are drawn from the same population. HA: There is a significant difference between the mean of sample 1 and the mean of sample 2. Therefore, the samples are drawn from different populations. 2. Critical Value Use the t distribution, 3. Test Statistic Use the t test. Two forms of this test arise: (a) Variances are equal (b) Variances are unequal *0307,O1472 1 www.notesolution.com
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