A computer engineer studies the usability of two different programming languages and their ability to make certain functions easier.

Twelve expert programmers familiar with both languages were asked to

languages to code a typical function in both languages. The data

following are their times $($in minutes$)$ as recorded by the engineer.

Developer Lang$1$ Lang$2$

$11718$

$21614$

$32119$

$41411$

$51823$

$62421$

$71610$

$81413$

$92119$

$102324$

$111315$

$121820$

Check at $5\%$ level of significance if there is a statistically significant difference in the

average coding times between the two languages.