In a previous chapter, we saw data on the errors (in nautical miles) made by the National
Question:
Dependent variable is Error
R-squared 72.5%
se = 16.13
Variable Coefficient
Intercept ...................................... 133.024
Years - 1970 ...................................... -2.0602
a) Interpret the slope and intercept of the model.
b) Interpret se in this context.
c) The Center would like to achieve an average tracking error of 45 nautical miles by 2015. Will they make it? Defend your response.
d) What if their goal were an average tracking error of 25 nautical miles?
e) What cautions would you state about your conclusion?
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Related Book For
Stats Data and Models
ISBN: 978-0321986498
4th edition
Authors: Richard D. De Veaux, Paul D. Velleman, David E. Bock
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