Question

What is the mean of the data set?

{21, 23, 25, 25, 26, 28, 28, 28, 31, 33}




26.8

27

27.8

28​

Answer 1

Explanation:

In mathematics, mean average means to take the sum of all the numbers and divide the sum by the number of elements in the set.Add up the numbers.21 +23+25+25+26+28+28+ 28 + 31+ 33 = 268Divide by the number of elements in the set. Which is 10.268/10 = 26.8So, the answer to this question is 26.8