Wait Times at Los Angeles Airport. Use the following table for Exercises 28–33. The data represent the number of passengers whose flights were delayed at the Tom Bradley Terminal of Los Angeles Airport (LAX), on July 2, 2014, between 4 P.M. and 5 P.M. Counts are given based on how long their flights were delayed.
| Delay (minutes) | Passengers |
|---|---|
| 665 | |
| 551 | |
| 497 | |
| 399 | |
| 355 | |
| 27 |
32. Use the statistics from Exercise 31 to compute the estimated variance.