What is the mean (average) of the numbers: 2, 4, 6, 8?
Correct: B
The mean is calculated by summing all the numbers in the data set and then dividing by the total count of numbers.
Sum = 2 + 4 + 6 + 8 = 20.
Total count of numbers = 4.
Mean = Sum / Count = 20 / 4 = 5.