Solution Found!
Airline passengers revisited. In Chapter 9, Exercise 9,we
Chapter 10, Problem 3(choose chapter or problem)
Airline passengers revisited. In Chapter 9, Exercise 9,we created a linear model describing the trend in thenumber of passengers departing from the Oakland (CA)airport each month since the start of 1997. Heres theresidual plot, but with lines added to show the order ofthe values in time: a) Can you account for the pattern shown here?b) Would a re-expression help us deal with this pattern?Explain.
Questions & Answers
QUESTION:
Airline passengers revisited. In Chapter 9, Exercise 9,we created a linear model describing the trend in thenumber of passengers departing from the Oakland (CA)airport each month since the start of 1997. Heres theresidual plot, but with lines added to show the order ofthe values in time: a) Can you account for the pattern shown here?b) Would a re-expression help us deal with this pattern?Explain.
ANSWER:Step 1 of 2
a) The residuals cycle up and down because there is a yearly pattern in the number of passengers departing Oakland, California.