LINEAR MODELS

QUESTION -1 [10] Suppose the population of a community consists of 12% who did not complete high school and 63% who did, with the remainder having graduated from college. Consider the following data: Level of Education No. of People Investment lndices 1 [High school completed) 3 T4, 68, T7 2 [High school graduate) 2 T6, 30 3 [College graduate] 2 35, 93 (a) Find a contrast that is orthogonal to 40:1 30:2 0:3. (4} (b) Test the hvpothesis that the contrast found in part (a) and 40:1 3&2 {13 are zero. (6}