$10\mathrm{.}4\mathrm{.}2$ WP vS A computer scientist is investigating the usefulness of two different design languages in improving programming tasks. Twelve expert programmers who are familiar with both languages are asked to code a standard function in both languages and the time $($in minutes$)$ is recorded. The data follow:

$\backslash$table$[[,$Time$],[$Programmer$,$Design Language $1,$Design Language $2],[1,17,18],[2,16,14],[3,21,19],[4,14,11],[5,18,23],[6,24,21],[7,16,10],[8,14,13],[9,21,19],[10,23,24],[11,13,15],[12,18,20]]$