Question

Find the mean of 11,13,17,19,23

Answer 1

Answer:

mean = sum of all observations / no. of observations

          = 11+13+17+19+23 / 5

          = 16.6

Answer 2

no.=11,13,17,19,23

therefore ,we know that ,

mean =sum of observations/no.of observations

thetefore, m=11+13+17+19+23/5

=m=>83/5

=>16.6

therefore ,mean is =16.6