Water goes over niagra falls at a rate of 180 million cubic feet every 1/2 hour. How much water goes over the falls in 1 minute?
2 answers:
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Solution: We are given below data:
Now to find the mean deviation, we use the below formula:
Where:
represents the summation
X, represents the observation.
represents the mean
N represents the number of observation.
Therefore, the mean deviation is:
= 4
