2012 · Q96
What is the harmonic mean of 10, 20, 25, 40 and 50?
Elementary MathematicsStatistics
- A25
- B30
- C26.1
- D21.3
Explanation
HM = 5/(0.1+0.05+0.04+0.025+0.02) = 5/0.235 = 21.3.
What is the harmonic mean of 10, 20, 25, 40 and 50?
Explanation
HM = 5/(0.1+0.05+0.04+0.025+0.02) = 5/0.235 = 21.3.