Question

The following observations 40, 42, 45, x-1, x +1, 51, 54, 62 are arranged in
ascending order.
if the median is 49, find the value of x'.
Hence find the mean of the above observations.​

Answer 1

Answer:

(40+42+45+x-1+x+1+51+54+62)/8=49

=>(2x+294)/8=49

=>2x+294=49*8

=>2x=392-294

=>x=98/2

=>x=49

Answer 2

Answer:

that's your answer

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