A Recent Study of 100 Social Workers in a Southern

Essay

A recent study of 100 social workers in a southern state found that their mean salary was $24,100 with astandard deviation of $2100. A similar study of 100 social workers in a western state found that their meansalary was $34,500 with a standard deviation of $3200. Test the claim that the salaries of social workers in thewestern state is more than $10,000 greater than that of social workers in the southern state. Use α = 0.05.11.4 Inference about Two Population Standard Deviations1 Find critical values of the F-distribution.