Median weight of 100 children was 16 kgs. The standard detion was 8.calculate the percentage coefficient of variance: (A) 50%, (B) 35%, (C) 45%, (D) 55%
Answer is A. Coefficient of Variation (COV)* COV = SD x 100 Mean or Median SD is expressed as a percentage of mean or median. CV=SD/MEAN x 100= 8/16 x 100= 50%