Question

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

Answer 1

Number of observations = 7
Mean of observations = 10.25,9,4.75,8,2.65,12 2.35
Sum of observations = 10.25+9+4.75+8+2.65+12+2.5
= 49.00
Mean = 49.00÷7
= 7
x = 7