Question

find the mean of the given data 10.25,9,4.75,8,2.65,12,2.35

Answer 1

mean - sum of all obervations/ total no. of observations

49/7 is the answer

Answer 2

10.25+9+4.75+8+2.65+12+2.35/7=7
Since,mean=sum of observations/number of observations