Find the mean of 20, 22, 20, 18, 20, 18
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7
20+22+20+18+20+18/6
=118/6
=59/3
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0
Answer:
mean is equal to sum of observations upon number of observations
therefore the mean of the given data is
(20+22+20+18+20+18) /6
118/6
19.33
don't mind if the calculations are wrong actually its done in chaos
hope it help
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