Question

calculate Arirhmetic mean by using simple
Method from following
data
x -20,60, 50,70,80 0​

Answer 1

Answer:

mean =46.6 ans

Explanation:

by using simple method:-

mean =sum if all observations/no. of observations

mean=0+20+50+60+70+80/6

mean=280/6

mean=46.6