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Logic of Hypo Testing, Test of Differences (Tests of Differences (Anova,…
Logic of Hypo Testing, Test of Differences
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Tests of Differences
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Compare the avg value of 2 variables (1 grp of respondent)
Is consumer's mean willlingness to pay for iphone 7 different from that of Samsung S7?
If fail to reject null hypothesis, conclude by re-stating H0=stop.
If H0 is rejected, avg value is X same for the 2 variable, State which variable is higher.
- Two Independent Samples T-test
Compare avg value of 1 variable from 2 diff grps
Does the mean purchase intention differ between men and women?
If u fail to reject the null hypo, thn conclude by re-stating the null hypo=stop
If H0 is rejected, the avg population value is X same for 2 grps. State which higher.
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- If you fail to reject the null hypothesis, conclude by re-stating the null hypothesis
- If H0 is rejected, look at results from post hoc analysis identify grp that are differ from each other
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