What is the mean of the following set?
94, 254, 308, 102
A.
118
B.
164
C.
211
D.
189.5
The mean of a set of numbers is found by adding up all the numbers in the set and then dividing by the total number of numbers.
In this case, the set has four numbers: 94, 254, 308, and 102.
Adding these numbers together: 94 + 254 + 308 + 102 = 758
Now, divide by the total number of numbers (4): 758 ÷ 4 = 189.5
Therefore, the mean of the set is 189.5
The correct answer is D. 189.5.