Question

find the median of 17,23,57,46,33,29,28,30,34 and if observation 23 is removed find the new median

Answer 1

$\underline \mathbf{ ANSWER :}$

For finding the midian first we have to arrange the above observation in asscending order.

17,23,28,29,30,33,34,46,57

Here number of observations is 9.

$m = \frac{n + 1}{2} \\ \: \: \: \: \: \: \: \: \: \: \frac{9 + 1}{2} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \frac{10}{2 \: } \\ \: \: \: \: \: \: = \: \: \: \: 5$

5 th observation.

Answer is 30.

Answer 2

Answer:

in ascending order,

17,23,28,29,30,33,34,46,57

• 30 is the median