Question

8,11,12,2x-8,2x+10,35,42,50 are written in ascending order and their median is 25, find x.​

Answer 1

Step-by-step explanation:

Here, the number of observations n is 9.

Since n is odd, the median is the n+12th observation, i.e., the 5th observation.

As the numbers are arranged in the descending order, we therefore observe from the last.

Median = 5th observation.

=> 25 = 2x – 8

=> 2x = 25 + 8

=> 2x = 33

=> x = (33/2)

x = 16.5

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Answer 2

Answer:

Step-by-step explanation:

Here, the number of observations n is 9.

Since n is odd, the median is the n+12th observation, i.e., the 5th observation.

As the numbers are arranged in the descending order, we therefore observe from the last.

Median = 5th observation.

=> 25 = 2x – 8

=> 2x = 25 + 8

=> 2x = 33

=> x = (33/2)

x = 16.5

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