Question

find the median of first 20 even number
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Answer 1

Step-by-step explanation:

First 20 even numbers in ascending order are:-

2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40.

Total number of terms (N) = 20 (which is even )

Median = [N/2 th term +(N/2 +1) th term ] /2 .

= [20/2 th term + (20/2 +1)th term ] /2.

= [ 10 th term + 11 th term ] / 2.

= (20 +22 )/2

= 42/2

=21 , Answer.

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Answer 2

2,4,6,8,10,12,14,16,18,2022,24,26,28,30,32,34,36, 38,40.

20and22 is the two middle most observation

:-median=sum of the two middle most observation/2

=20+22/2