Question

find mean and median of 2,1,9,6,2,3,4,5,3

Answer 1

Mean =sum of observations /no of observations
Mean=2+1+9+6+2+3+4+5+3/9
=35/9
=3.8
Median=n/2th observation
=2
Mode=most frequently occurring value
=2 and 3 hence both numbers occured twice it is a bimodal data

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