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16. Eventually, 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 these data? (c) What statistical goal described in this chapter should he be concerned with?

16. Eventually, 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 these data? (c) What statistical goal described in this chapter should he be concerned with?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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I need help with 16, but when i sent it in it was rejected because you need number 15 as well.
**Text Transcription:** 15. 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 \( r^2 \) and the regression equation. Do you agree or disagree with his approach? Why? 16. Eventually, 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 these data? (c) What statistical goal described in this chapter should he be concerned with? (d) Identify three problems with his study. (e) Why will correcting these problems improve his study?
Transcribed Image Text:**Text Transcription:** 15. 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 \( r^2 \) and the regression equation. Do you agree or disagree with his approach? Why? 16. Eventually, 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 these data? (c) What statistical goal described in this chapter should he be concerned with? (d) Identify three problems with his study. (e) Why will correcting these problems improve his study?
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