Scottish hill races considered in Exercise 14 are run by both men and women. We can combine
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Scottish hill races considered in Exercise 14 are run by both men and women. We can combine the data to fit a single model for both. Here is one such model. The variable Dist*Sex is the product of the variable Distance and the indicator variable Sex, which is 0 for women and 1 for men.
a) What is the purpose of including the variable Dist*Sex in this model?
b) What does the coefficient of that variable mean in this model?
Transcribed Image Text:
Time 225 150 75 10 .. + 20 Distance (km) + 30 0 Men 1 Women 40
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a The change in Time with Distance is different for men and ...View the full answer
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Related Book For
Intro Stats
ISBN: 9780134668420
5th Edition
Authors: Richard D De Veaux, Paul F Velleman, David E Bock, Nick Horton
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