10) You want to know the relationship between the amount of time it takes to com

Question

10) You want to know the relationship between the amount of time it takes to complete an exam and the exam score. You record how long it takes for subjects to complete an exam The n you record their exam score. Test 11) A social psychologist intentionally loses 200 self-addressed, stamped envelopes in the vicinity of mailboxes. Lost letters are scattered throughout three different neighborhoods: downtown, suburbs, and college campuses. The psychologist knows how many letters were lost in each neighborhood and how many letters were returned from each neighborhood. Test

Explanation / Answer

8. There are scores recorded for matched pairs, samples were randomly assigned to treatments. This accounts for matched-pair test.

9. There are two factors-analgesics and type of recommendations. The ratings for factor level combinations are recorded. Therefore, this accounts for two-way ANOVA test.

10. Both amount of time and examination score are quatitative variables, thus in order to measure the relationship between the variables perform t test for population correlation coefficient.

11. There are counts of lost data for all three neighborhood, thus in order to determine, the proportion of letters lost at each neighborhood, perform Chi-sqaure test for homogeneity.

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