2. Compute and interpret the correlation coefficient for the following grades of 6 students selected at random: Math Grade 70 92 80 74 65 83 . . . . English Grade 74 84 63 87 78 90 (Requirements: r value, interpretation) (25 points) 3. One thousand registered voters in Metro Manila are randomly interviewed and classified as to whether they are for or against "cha-cha" (or charter change which is a reversion to federalism) and whether they are in a low, medium, or high income bracket. Opinion Income Level Low Medium High For 182 213 203 Against 154 138 110 Test the hypothesis that their opinion regarding "cha-cha" independent of their income bracket. Use a 5% level of significance. (Requirements: Ho, Ha, alpha level, test statistic, rejection region, conclusion). (25 points)2. Compute and interpret the correlation coefficient for the following grades of 6 students selected at random: Math Grade 70 92 80 74 65 83 . . . . English Grade 74 84 63 87 78 90 (Requirements: r value, interpretation) (25 points) 3. One thousand registered voters in Metro Manila are randomly interviewed and classified as to whether they are for or against "cha-cha" (or charter change which is a reversion to federalism) and whether they are in a low, medium, or high income bracket. Opinion Income Level Low Medium High For 182 213 203 Against 154 138 110 Test the hypothesis that their opinion regarding "cha-cha" independent of their income bracket. Use a 5% level of significance. (Requirements: Ho, Ha, alpha level, test statistic, rejection region, conclusion). (25 points)