In Exercise X6.15 we assumed that the two population variances are equal. Conduct an appropriate test to check if the variances are equal (test at 5% and 1%). In Exercise X6.16 we assumed that the two...

In Exercise X6.15 we assumed that the two population variances are equal. Conduct an appropriate test to check if the variances are equal (test at 5% and 1%).

In Exercise X6.16 we assumed that the two population variances are equal. Conduct an appropriate test to check if the variances are equal (test at 5%).