# statistics

posted by
**nora** on
.

using excel find the variance of a sample of 30 observations selected randomly. Given that the median is 14.7, the mode is 11 and the coefficientof variation is 45%.

posted by
**nora** on
.

using excel find the variance of a sample of 30 observations selected randomly. Given that the median is 14.7, the mode is 11 and the coefficientof variation is 45%.