Median weight of 100 children was 12 kgs. The Standard Detion was 3.Calculate the percentage coefficient of variance -

Ans. is 'a' i.e., 25% o We cannot calculate cofficient of variance here, because value of mean has not been provided (value of median is given). o Only in standard normal curve mean = median. o But in that case both are '0' (In standard normal normal curve mean = median = mode = 0) o I am clueless here. o It you take, value of median as mean than the answer will be 25%.