How do you find the mean and median of 136, 129, 128, 122, 134, 120?

1 Answer
Feb 27, 2017

"Mean"~~"128.17 (2dp), Median="128.5Mean128.17 (2dp), Median=128.5.

Explanation:

Recall that, "Mean="sumx_i/n,Mean=xin,

={120+122+128+129+134+136}/6=769/6~~128.17 (2dp).=120+122+128+129+134+1366=7696128.17(2dp).

To find the Median, let us arrange the data in ascending order :

120, 122, 128, 129, 134, 136.120,122,128,129,134,136.

Hence, the Median is the observation situated at the Middle
Place.

As, we have, two such observations, namely, 128" and "129,128 and 129, the

median will be their Average.

:." Median="(128+129)/2=128.5.