Question

Find the median of the given data ,if the mean is 4.5 5 , 7 , 7 , 8 , x , 5 , 4 , 3 , 1 , 2

Answer 1

mean =42/10=4.2

we need 3 more to get 45 and it will be 4.5.

so the series is 5,7,7,8,3,5,4,3,1,2 .

median = middle number

here there are two numbers so add it up and divide it by 2