Question

Rain fall of a place in a week is 4 cm, 5 cm, 12 cm, 3 cm, 6 cm, 8 cm, 0.5 cm then what is the average rainfall perday.

Answer 1

Answer:

The average rainfall per day is the arithmetic mean of the above observations.

Given rainfall through a week are 4 cm,5 cm,12 cm,3 cm,6 cm,8 cm,0.5 cm.

Number of observations (n)=7

Mean x=n∑xi=nx1+x2+x3+....xn Where x1,x2,x3....xn are n observation and x is their mean 

=74+5+12+3+6+8+0.5=738.5=5.5 cm

Answer 2

Answer:

5.5 cm

Step-by-step explanation:

Average= Sum of values/ Number of values

Step 1: 4+5+12+3+6+8+0.5=38.5

Step 2: 38.5/7= 5.5 cm

Don't forget units place.