Answer: 60.5
Our task is to find the mean of these numbers. To do that, we wll first add them:
36 + 48 + 67 + 91 = 242
Next, divide by 4 (because we have 4 numbers in this set):
242 ÷ 4 = 60.5
Mean = 60.5
Explanation
First we add up the values
Then divide by the sample size 4
242/4 = 60.5
This decimal value is exact without any rounding done to it.
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