stat hw 4 - 5.1 a) Negative as alcohol consumed goes up,...

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5.1 a) Negative – as alcohol consumed goes up, the performance on a test of coordination goes down. b) No relationship, as height should not indicate GPA. c) Negative – the more you run per week should increase stamina and thus lower your time on a 5-K run. d) Positive – The longer your forearm, the bigger you likely are, and thus your foot length would be. 5.3 a) Yes, would graph individual measurements of two numerical values and be able to show if there is a relationship. b) No, a scatter plot measures and graphs only numerical values. c) No, the scatter plot would not be able to show a relationship because the pair do not involve one explanatory and one response variable. d) No, because this would not be measuring two quantitative or numerical values. 5.4 a) There appears to be no association between the two variables as the data does not form any discernable line on the scatter plot. b) Height = 62 in., circumference = 61 cm.
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This note was uploaded on 10/29/2008 for the course STAT 200 taught by Professor Barroso,joaor during the Spring '08 term at Pennsylvania State University, University Park.

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stat hw 4 - 5.1 a) Negative as alcohol consumed goes up,...

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