Much attention has been paid to the challenges faced by the airline industry. Patterns in customer demand
Question:
Heres a regression and the residuals, created in Excel 2013, plotted against Years since 1990:
a) Interpret the slope and intercept of the regression model.
b) What does the value of R2 say about how successful the model is?
c) Interpret se in this context.
d) Compute the Durbin- Watson statistic and comment.
e) Would you use this model to predict the numbers of passengers in 2010 (Years Since1990 = 20)? Explain.
f) Theres a point near the middle of this time span with a large negative residual. Can you explain this outlier?
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Related Book For
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
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