Question: Reconsider the commuting time model estimated in Exercise 5.21 using the data file commute.dat: TIME b1 b2DEPARTS b3REDS b4TRAINS e

Reconsider the commuting time model estimated in Exercise 5.21 using the data file commute.dat:

TIME ¼ b1 þ b2DEPARTS þ b3REDS þ b4TRAINS þ e Find a 95% interval estimates for the time Bill arrives at the University when:

(a) He leaves Carnegie at 7:00 AM and encounters six red lights and one train.

(b) He leaves Carnegie at 7:45 AM and encounters ten red lights and four trains.

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