Data Description: A hospital administrator wished to study…
Questions
Dаtа Descriptiоn: A hоspitаl administratоr wished to study the relation between patient satisfaction (Y) and patient’s age (X1, in years), severity of illness (X2, an index), and anxiety level (X3, an index). The administrator randomly selected 46 patients and collected the data presented below, where larger values of Y, X2, and X3 are, respectively, associated with more satisfaction, increased severity of illness, and more anxiety. i: 1 2 3 … 44 45 46 Xi1: 50 36 40 … 45 37 28 Xi2: 51 46 48 … 51 53 46 Xi3: 2.3 2.3 2.2 … 2.2 2.1 1.8 Yi: 48 57 66 … 68 59 92 Outputs from Minitab: Correlation: Yi, X1, X2, X3 Yi X1 X2 X1 -0.787 0.000 X2 -0.603 0.568 0.000 0.000 X3 -0.645 0.570 0.671 0.000 0.000 0.000 From the residual plots and the probability plot obtained by Minitab, what information does this plot provide? In order to receive full credits, you have to describe the graphs in details.