Compare and evaluate equality of Variable 2 and 3 with student-t test at the %95 confidence interval. Explain the results. Compare and evaluate equality of Variable 2 and 3 with Wilcoxon rank-sum test at the %95 confidence interval. Explain the results. Compare and evaluate equality of variance for Variable 2 and 3 f-test, Bartlett test, and Fligner test at the %95 confidence interval. Explain the results.