Assignment:
Find the regression equation, letting the first variable be the predictor (x) variable. Find the indicated predicted value by following the prediction procedure summarized in Figure below.
1.Air Fares Find the best predicted cost of a ticket purchased one day in advance, given that the cost of the ticket is $300 if purchased 30 days in advance of the flight.
30 days
|
244
|
260
|
264
|
264
|
278
|
318
|
280
|
One Day
|
456
|
614
|
567
|
943
|
628
|
1088
|
536
|
2.Commuters and Parking Spaces The Metro-North Station of Greenwich, CT has 2804 commuters. Find the best predicted number of parking spots at that station. Is the predicted value close to the actual value of 1274?
Commuters
|
3453
|
1350
|
1126
|
3120
|
2641
|
277
|
579
|
2532
|
Parking Sport
|
1653
|
676
|
294
|
950
|
1216
|
179
|
466
|
1454
|