1a. Create a histogram for employee satisfaction.

Most employees have a satisfaction level above 0.5, indicating the
majority being generally satisfied with their jobs.
1b. Create a histogram for last evaluation.

The last evaluation scores show that the majority of employees
scored between 0.5 and 0.8, reflecting a moderate to high performance
level.
2. Create a bar plot for the average satisfaction of employees by
the variable that indicates whether they left of stayed at the
company.
Employees who left the company are 30% less satisfied on average
compared to those who stayed.