A method is proposed for constructing nonparametric confidence intervals for the median of a survival distribution. The method applies when survival data are subject to random right censoring. The ...

It is shown that exact distribution-free confidence intervals for a population median can be obtained from a stratified sample under very special circumstances. The principal result concerns the order ...

In National 4 Maths learn to calculate the mean, mode, median and range from a frequency table. Draw a pie chart and find the chance of it happening.