Question

A company compared the variance of salaries for employees who have been employed for 5 years or less with

employees who have been employed for 10 years or more. They randomly selected 21 employees with 5 years or less experience and 15 employees with 10 years or more experience. The standard deviation for the group with 5 years or less experience was $2,225; the standard deviation for the group with 10 years or more experience was $1,875. What is the F test statistic for the hypothesis test? 

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