SAT Math Question of the Day

Math Category: Mean:

Q: What's the arithmetic mean of 2, 5, 5?

  1. 2
  2. 4
  3. 4.5
  4. 5
  5. 5.5

UNANSWERED.

The correct answer is B.

A: 4 is the right answer. Arithmetic mean is the average of the numbers. Add up all the numbers 2+5+5 = 12. Then divide by the number of numbers. 12 / 3 = 4