Find the mean of first 20 natural numbers ........... Share with your friends Share 0 Neha Sethi answered this Dear student We know that, Mean=Sum of observationsTotal number of observationsFirst 20 natural numbers are 1,2,3,4,5,....18,19,20Sum of observations=1+2+3+4+5+...+18+19+20=210Total number of observations=20Mean=21020=212=10.5 Regards 0 View Full Answer
