Poindexter examined the relationship between ratio scores measuring the quality of sneakers worn by volleyball players and their average number of points scored per game. Studying 10 people who owned sneakers of good to excellent quality, he computed r = + .21. Without further ado, he immediately claimed to have support for the notion that better-quality sneakers are related to better performance on a somewhat consistent basis. He then computed r2 and the regression equation. Do you agree or disagree with his approach? Why?
Answer to relevant QuestionsEventually, for the study in question 15, Poindexter reported that r(8) = +.21, p > .05. (a) What should he conclude about this relationship? (b) What other computations should he perform to describe the relationship in ...A newspaper article claims that the academic rank of a college is negatively related to the rank of its football team. From a sample of 28 colleges, you obtain a correlation coefficient of - .32. (a) Which type of ...What is the design of the study when we compute the z-test and t-test versus when we compute a correlation coefficient? Summarize the steps involved in analyzing the results of a one-sample experiment. We predict that children exhibit more aggressive acts after watching a violent television show. The scores for ten participants before and after watching the show are (a) Subtracting before from after, what are H0 and ...
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