SOCIAL STATISTIC

Quality of life for three states which are Kedah, Selangor and Johor are measured to determine whether the levels are different for the three states. The mean scores for quality of life for the three states are 73, 76 and 74 respectively. a. State the null hypothesis that will be tested. b. Complete the table of ANOVA in Table 1. c. Determine whether the levels for quality of life are significantly different for the three zones. (The F critical value for this case at alpha level of 0.05 is 2.996). d. Use Tukey's method to determine which of the three population means differ from the others. (The q critical value for this case at of = 344 and k = 3 is 3.31) (10 marks) Jadual 1: Ujian ANOVA Table 1: ANOVA Test Pembolehubah Sumber / df SS MS F I Variable Source Kualiti hidup / Rawatan / 2 5.24 Quality of life Treatments Ralat / Error 344 117.8 0.342 Jumlah / Total 346 123.0