The following information is available for two samples selected from independent normally distributed populations. Complete parts (a) and (b). Population A: n=21S2=43.8 Population B: n=16S2=36.6 a. At the 0.05 level of significance, is there evidence of a difference between 12 and 22 ? Determine the hypotheses. Choose the correct answer below. A. H0:1222 B. H0:12=22 H1:1222 H1:12=22 Use technology to find the test statistic, FSTAT. FSTAT= (Round to two decimal places as needed.) Use technology to determine the p-value. p-value = (Round to three decimal places as needed.) Reach a decision. FSTAT= (Round to two decimal places as needed.) Use technology to determine the p-value. p-value = (Round to three decimal places as needed.) Reach a decision. H0. There is evidence of a difference between 12 and 22. b. Suppose that you want to perform a one-tail test. At the 0.05 level of significance, what is the upper-tail critical value of F to determine whether there is evidence trat 12>22 ? What is your statistical decision? The upper-tail critical value of F is (Round to two decimal places as needed.) What is your statistical decision? H0. There is evidence that 12>22