Create a scatterplot of the data in Exercise 13.6, and compute the correlation between the two sets of scores. What does this say that is relevant to the answer to Exercise 13.7?
Answer to relevant QuestionsWe always need to look closely at our data. Sometimes we find things that are hard to explain. Look closely at the data in Exercise 13.6; what attracts your attention? Calculate the 95% confidence limits on µ1 2 µ2 for the data in Exercise 14.8. In Exercise 14.8. The data follow: Given the definition of a weighted average (see page 350), show what the pooled variance estimate (s2p) would be if the two sample sizes were equal. Using the Java program by Lenth (2011) referred to earlier, calculate power for the Adams et al. (1996) data in Table 14.2 on homophobia. Generate a table analogous to Table 15.2 for power equal to 0.60, with a = .05, two-tailed.
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