GWD 07-21

[撥撥]

Q21:
k, n, 12, 6, 17

What is the value of n in the list above?
(1)k < n
(2)The median of the numbers in the list is 10.

The answer is (C). Why not (E) ?

[michelle610]

cause (1)+(2) we can know that the list is
6,k,n,12,17
and then, we know n=10

[az4660]

but why (1)+(2) can not represent that the list is
6,12,k,n,17

[65kevin]

條件(1）＋條件 (2) 可得該數列由小到大排序為 6, k, n ,12, 17 或　k, 6, n, 12, 17, 但若是 6, 12, k, n, 17 的話, 則違反條件(2) 所說中位數是 10 的前提, 因此可得知 n = 10

[jmyang]

條件(1）＋條件 (2) 可得該數列由小到大排序為 6, k, n ,12, 17 或　k, 6, n, 12, 17, 但若是 6, 12, k, n, 17 的話, 則違反條件(2) 所說中位數是 10 的前提, 因此可得知 n = 10

瞭解。謝謝。