Answer Happy

(b) Study Table 3 and answer the questions that follow. Feb Table 3: Comparison of Treatment Outcomes Regular Died X1 Survived 346 TOTALS y2 Falcip 52 166 X2 y1 370 830 Page 5 of 6 Table 3 compares treatment outcomes in two groups of dysentery patients in Chongwe in 2020. One group received the normal (regular) treatment course, while the second group received a new dysentery treatment drug Falcip. The frequency counts for 4 of the cells are missing and need filling. REQUIRED (0) Find the missing frequency counts (X1, X2, y1, y2) for the 4 cells in the table. (2 marks) (ii) Prove that the standardized residual for patients who received the Falcip drug and died is -2.56. Interpret the finding based just on that Standardized Residual. The significance level is 5%. (4 marks) (ii) Calculate the respective standardized residuals for patients who received the regular treatment and survived, and those who received Falcip and survived. Interpret each of the standardized residuals and briefly compare and contrast them. (6 marks) [TOTAL: 25 MARKS] Jeste