1. Below are data from selected inmates classified into one of three security levels at one correctional facility, relative to their depression scores on a standard measurement instrument.
2. Using the F statistic , determine if depression scores differ significantly between the three security levels at the prison.

Please submit your solution (step-by-step) and the conclusion (at the 95% level of confidence) here.

H_a: Mean Depression Scores of Inmates at Different Security Levels are Significantly Different.

H_o: Mean Depression Scores of Inmates at Different Security Levels are NOT Significantly Different.

Low security Medium security High security

(n = 4) (n =4) (n = 4)

3 9 9

5 9 10

4 8 7

4 6 10

Total 16 32 36