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The following table represents the number of minutes that 20 airline passengers had to wait in order to pass through security along with the frequency
- The following table represents the number of minutes that 20 airline passengers had to wait in order to pass through security along with the frequency in each class.
| Minutes with Securit | Number of Passen ers |
| 0 - 9 | 4 |
| 10 - 19 | 8 |
| 20 - 29 | 5 |
| 30 - 39 | 3 |
- Calculate the mean minutes that a passenger waits to pass through security. (1 Mark)
- Calculate the standard deviation for the data. (3 Marks)
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Mathematical Finance Core Theory Problems And Statistical Algorithms
Authors: Nikolai Dokuchaev
1st Edition
0415414482, 978-0415414487
