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Nine households had the following number of children per household

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Nine households had the following number of children per household: 9, 2, 6, 4, 5,5,0, 2, 9
Find the mean, median, mode, range, and midrange for these data



The mean is 42/9 = 4.667 (add all the numbers and divide by the count of the #'s)

The median is 5 (the middle number which would be the 5th number of the sorted sequence)

The modes are 2, 5 and 9 since these numbers appear twice each.

The range is 9-0= 9 (subtract the largest from the smallest number)

The midrange is (0+9)/2= 4.5 (add the smallest + largest number & divide by 2)


Hope this helps,



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