SOC280 Lecture Notes - Lecture 10: Dependent And Independent Variables, Standard Deviation
9 Mar 2014
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Lecture 10 comparing two means summary page t-tests tell you whether the average score on a particular variable is significantly different across groups. If there"s a difference between means, tell if it is significant. 3 types: one sample t-test, testing whether the mean in one group is significantly different from a number in a different group. Is there any actual difference between a certain point and the other mean being presented. ii: dependent samples t-test/paired samples t-test, cases are related e. g. , before/after test, single sample, before and after test. iii. iv. Ie measuring before and after weight loss and gain starting herbal magic. c. Independent samples t-test: tests for differences in the mean for 2 unrelated ( independent ) groups. b. Ie difference between men and women, rural and urban, poor and rich: assumptions, normality, p-p, q-q, skew, kurtosis, histogram, moct, homogeneity of variance, levine"s test. iii.
