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**Quiz of the basic knowledge of statistics**

19 15 18 13 16 14 18 14 17 11 16 14 16 19 16 13 10 16 13 20

Answer

13.2 19.5 12.7 11.2 13.6 13.8

(1)If the average is 13.8, what is

(2)If the average is 13.8, what is median?

Answer

Point | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 計 |

People | 0 | 0 | 1 | 3 | 4 | 10 | 11 | 8 | 2 | 1 | 0 | 40 |

Answer