Question

Find the arithmetic mean of the sales per day in a fair price shop in a week.
Rs.10000, Rs.10250, Rs.10790, Rs.9865, Rs.15350, Rs.10110

Answer 1

mean = sum of observation/ total no
10000+10250+10790+9865+15350+10110/6
11227.5

Answer 2

Solution :

The Sales per day in a fair price shop

in a week are Rs.10000, Rs.10250,

Rs.10790 , Rs.9865 , Rs.15350, Rs.10110


Sum of the observations =

10000+10250+10790+9865+15350+10110

= 66365 ----( 1 )

Number of observations = 6 ---( 2 )

Arithmetic mean = ( 1 )/( 2 )

= 66365/6

= 11060.83

••••