Question

The median of the data 21,15,6,25,18,30,20,9,8 is​

Answer 1

6,8,9,15,18,20,21,25

aanswer is 15

Step-by-step explanation:

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Answer 2

$\longrightarrow \: how \: to \: find \: median :$

First of all , we need to Arrange the numbers in the ascending order ,

Arrange in ascending order,

6 , 8, 9 , 15, 18 , 20 , 21, 25 , 30

After arranging in ascending order , we must count how many data we are given with !

Here there are 9 data given ,

If the data is odd :

$\longrightarrow \frac{n + 1}{2}$

If the data is even :

$\longrightarrow \: \frac{n}{2}$

Now here we got 9 , which is an odd number !

let's apply the formula here ,

$= \frac{9 + 1}{2}$

$= \: \frac{10}{2}$

$= 5$

The fifth number(arranged in the ascending order) will be the median = 18

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