Maurice Tutor

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Category > Computer Science Posted 13 Jul 2017 My Price 14.00

omen’s 2004 Olympic heptathlon

Heptathlon 2004. We discussed the women’s 2004 Olympic heptathlon in Chapter 6. Here are the results from the high jump, 800-meter run, and long jump for the 26 women who successfully completed all three events in the 2004 Olympics (www.espn.com):

 

Let’s examine the association among these events. Perform a regression to predict high-jump performance from the 800-meter results.

a) What is the regression equation? What does the slope mean?

b) What percent of the variability in high jumps can be accounted for by differences in 800-m times?

c) Do good high jumpers tend to be fast runners? (Be careful—low times are good for running events and high distances are good for jumps.)

d) What does the residuals plot reveal about the model?

e) Do you think this is a useful model? Would you use it to predict high-jump performance? (Compare the residual standard deviation to the standard deviation of the high jumps.)

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Maurice Tutor
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Status NEW Posted 13 Jul 2017 09:07 PM My Price 14.00

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