The times required by three workers to perform an assembly

Last updated: 11/2/2023

The times required by three workers to perform an assembly line task were recorded on five randomly selected occasions Here are the times to the nearest minute Sample mean Sample variance Hank Joe Susan 8 8 10 10 9 9 9 11 8 11 10 9 10 9 6 10 9 8 8 9 8 1 3 0 7 0 7