Question

Find the mean of these data: 2, 6, 12, 14, 18, 20.

Answer 1

mean = sum of observations / no. of observations

=2+6+12+14+18+20/6

=72/6

=12

Answer 2

first add all numbers

2+6+12+14+15+20=69

then

divide by 2=34.5 is your answer

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