Question

mean of the data2,3,4,8,9,2,10,3,3,15

Answer 1

solution-

mean=sum of observation /no.of observation

so

mean=2+3+4+8+9+2+10+3+3+15/10

mean=69/10

mean=6.9

hope it will help you

Answer 2

HEY MATE HERE IS UR ANSWER....

mean = sum of all observation ÷ total no.of observation

= (2×2+3×3+4+8+9+10+5)÷10

(4+9+9+12+15)÷10

=49/10

= 4.9

so,mean = 4.9