Question

Find the mean of the following distribution. (a) The age of 20 boys in a locality is given below. Age in Years 12 10 15 14 8 Number of Boys 5 3 2 6 4

Answer 1

Answer:

mean = sum of observations / no. of observation

= 12+10+15+14+8/5+3+2+6+4

=59/20

mean is the 29.5