2012 · Q8
Which one among the following statements is not correct?
Elementary MathematicsStatistics
- AFor size of readymade garments, mode is the best suitable measure
- BFor average rate of increase when the rate of population growth is given, geometric mean is best suitable
- CFor average rate of speed when different distances are covered by different rates of speed, harmonic mean is best suitable
- DFor average level of intelligence of students in a class, arithmetic mean is the best suitable
Explanation
Intelligence is not a ratio-scale measurement, so the arithmetic mean is not the best suitable average; the other three pairings are standard.