Answer :

all them all together than divide that number by the amount of numbers you added together to get 79

A mean is an arithmetic average of a set of observations. The mean of 82 ,64 ,73 ,91 and 85 is 79.

What is Mean?

A mean is an arithmetic average of a set of observations. it is given by the formula,

Mean = (Sum of observations)/Number of observations

The mean of the given data set can be found using the formula of the mean. Therefore, the mean of the data set is,

Mean = Sum of observations / Number of observation

          = (82 + 64 + 73 + 91 + 85)/5

          = 395/5

          = 79

Hence, the mean of 82 ,64 ,73 ,91 and 85 is 79.

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