I/O (Industrial/Organizational) Psychologists examine hiring practices and employer/employee relations in many major corporations. Recently, the contributions of employee status has been explored as a potential contributor to raises received in the workplace.

The table below shows the percent increase in salary for entry-level, management, and executive employees at a company.

Entry-Level	8.44	7.64	11.45	9.62	10.05	9.98	9.67	10.98	11.52	0.11
Management	16.55	8.52	9.79	11.37	14.77	11.78	7.97	10.34	9.97	9.77
Executive	11.26	13.66	13.02	14.49	15.89	14.63	13.10	13.21	13.73	12.66

To study the variability of raises for the three different employee statuses, calculate the sample standard deviations. Round to 4 decimal places.

Status	Standard Deviation
Entry-Level
Management
Executive