1.

The median ofa set of 9 distinct observations is 20. If each of the largest 4 observationsof the set is increased by 2, find the median of the resulting set

Answer»

Given, Median of Nine observations = 20

Median of 9 observations = 9+1/2 th term = 5th term.

Now, Fifth term = 20

The last term or the largest four are increased by 2 .But the fifth term is unchanged.

The median of resultant set is same as the earlier.

Hence median of resultant set = 20



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