A company compared the variance of salaries for employees who have been employed for 5 years of 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 is $1,875

a) what is the F test statistic for the hypothesis test?

b) Using the .05 significance level, what is the F critical value for the hypothesis test?

c) Using the .05 siginificance level, what is the decision regarding the null hypothesis?