Can someone help me with this question?

An economist wants to randomly collect the US monthly unemployment rate. She collected 11 samples from Ei. The average monthly unemployment rate of the 21320 samples was 3.5. with a standard deviation of 3.5. She also collected 3 samples from 2&21. which were 5.3 for Jan. 6.2 for Feb, and s for Ma r. {a} Test whether the population variances of monthly unemployment rate are significantly higher in 22 than in 221 at 5'36 level. Please write down [1] the value of test statistim, {2] critical values and [3} make conclusion based on rejection region. [is] Test whether the population standard deviation of monthly unemployment rate in Ei is different from 3 at 5% level. Please write down [1} the Ivalue of test statistjm, [2} critical values and [3} make conclusion based on rejection region