help with a.

A psychologist conducted a study to examine the nature of the relation, if any, between an employee's emotional stability (X) and the employee's ability to perform in a task group (Y). Emotional stability was measured by a written test for which the higher the score, the greater the emotional stability. Ability to perform in a task group (Y=l if able, Y=O in unable) was evaluate by the supervisor. The results for 27 employees are below a. Use a box-whisker plot to describe the relation between emotional stability (X) and the employee's ability to perform in a task group (Y).