What is the arithmeticmean of 90,90,90,90,90,50,50,50,50,50,50 ?

The arithmeticmean of 90,90,90,90,90,50,50,50,50,50,50 is 68.18181…

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Find the Mean 90 , 90 , 90 , 90 , 90 , 50 , 50 , 50 , 50 , 50 , 50

average

90, 90, 90, 90, 90, 50, 50, 50, 50, 50, 50

68.18181 \dots

Solution steps

Compute the sum of the data set:

i = 1 \sum n a_{i} = 750

Compute the number of terms in the data set:

n = 11

Divide the sum by the number of terms and simplify:

68.18181 \dots

= 68.18181 \dots

93, 90, 90, 96, 94, 92

52, 75, 90, 48, 90

10, 11, 12, 13, 14

64, 73, 67, 70, 69, 65

39, 46, 37, 9, 45, 10, 46, 39, 20

What is the arithmeticmean of 90,90,90,90,90,50,50,50,50,50,50 ?
The arithmeticmean of 90,90,90,90,90,50,50,50,50,50,50 is 68.18181…