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August 20, 2014

Posts by SROBSON


Total # Posts: 4

STATISTICS
A) If a regression experiment has correlation coefficient r= 0.75, what precent of total variation is explained by the regression? B) if 85% of total variation is explained by the regression, and there is an inverse relationship between y and x, then what is the correlation ...
April 17, 2011

Statistics
Thanks so much. I was on the right track then.
April 17, 2011

Statistics
Professor does not teach from a book so am not sure how to apply this problem to the regression equation. Thanks in advance. Problem below. Cell Phone Mins= 3.5*cost + 25 where cell phone mins measure the number of minutes per month and cost is the dollar amount paid for the ...
April 17, 2011

Statistics
I have a take home test I am working on. Any help would be appreciated. Professor does not teach from a book so am not sure how to apply this problem to the regression equation. Thanks in advance. Problem below. Cell Phone Mins= 3.5*cost + 25 where cell phone mins measure the ...
April 17, 2011

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