Instructions: solve the problems by the step-by- step procedure in hypothesis testing

5. A researcher wishes to determine the performance level at students with preschool education and with no preschool education. Fifteen senior high school students with pro-school education and twenty senior hlgh school students with no preschool education were randomly selected and the results are tabutated below. . standad deviation mm - Hemomducmson _-_ With no . e-school education \"\" Is it safe to conclude that those with pro-school education have a better performance than those with no proschool education? Use a = 0.01. 6. A study was conducted to examine if there is a dtference in sex on the relationship of attitude and success at college level mathematics. Fourteen men and Twelve women were identified as being at high risk of failure. The students were asked to respond to a series of questions. and their answers were used to obtain a math anxiety score. Surnma'y values appear in the table below. Test the hypothesis using 0.05 level of significance