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SOC202H1 (76)
Lecture

SOC202 FEBRUARY 28.docx

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Department
Sociology
Course
SOC202H1
Professor
M O N T A Z A R
Semester
Winter

Description
SOC202 FEBRUARY 28 2012LECTURE 6 ANOVAMore then 2 groupsT test only two groups often more then two groupsdo different t test between but increases making type 1 error reject null when we should have retained itTest to tell us overall difference 3 or more Basic logicDifferences in sample means across categories interval level dataAsks are differecens between sample large we conclude pop reps by samples are different Not have data for every indi in the worldMeans between are large something special Null rep by h not mu 1mu 2m 3 If null true sample means be same value Null rejected at least two means are different not all are different So alt hypo 2 of 3 or more signi
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