E Text Ch12 and 13

# E Text Ch12 and 13 - E-Text Assignment 1 E-Text Assignment...

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E-Text Assignment 1 Neil Robinson Research and Evaluation II RES 342 University of Phoenix

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E-Text Assignment 2 12.47 Regression analysis of free throws by 29 NBA teams during the 2002–2003 season revealed the fitted regression Y = 55.2 + .73 X ( R 2 = .874, syx = 53 . 2) where Y = total free throws made and X = total free throws attempted. The observed range of X was from 1,620 (New York Knicks) to 2,382 (Golden State Warriors). (a) Find the expected number of free throws made for a team that shoots 2,000 free throws. (b) Do you think that the intercept is meaningful? Hint: Make a scatter plot and let Excel fit the line. (c) Use the quick rule to make a 95 percent prediction interval for Y when X = 2,000. (a) Based on the fitted regression formula that was observed, a team that shoots 2,000 free throws is expected to hit roughly 1,515 of the 2,000 free throws attempted. (b) The interception of the plot line is not meaningful. Based on the line if a team did not attempt
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## This note was uploaded on 06/28/2010 for the course RES 342 RES 342 taught by Professor Davidlantz during the Spring '10 term at University of Phoenix.

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E Text Ch12 and 13 - E-Text Assignment 1 E-Text Assignment...

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