Find the mean for 31,37,35,38,42,23,17,18,35,25,35
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30.54bar
Step-by-step explanation:
Given observations are [ 31,37,35,38,42,23,17,18,35,25,35 ]
the formula to find mean is given by
{ sum of all observations ÷ number of observations }
= 31 + 37 + 35 + 38 + 42 + 23 + 17 + 18 + 35 + 25 + 35 ÷ 11
= 336 ÷ 11
= 30.54545454545454545454545454545.......
= 30.54bar
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