A One-way ANOVA was done to investigate the waiting time of ER cases in the main hosipital and three satellite locations. A random sample of 11 ER cases at each location were selected. Based on the Q-Q Normal plot of the ANOVA residuals and box plots of the waiting times of the 4 locations, which of the following statement is correct? QQ Plot of Residuals Residuals 30- 80- 20- 10 60 -10- 40 -20- 20 Satellite 1 Main Satellite 2 Satellite 3 Normal Quantile Variable O A. While the conditions of Normality and equal variance are adequately satisfied, the independent samples and SRS conditions are questionable. O B. All required conditions for ANOVA are questionable. O C. All required conditions are adequately satisfied. D. While independent samples and SRS are clearly satisfied, the condition of Normality is questionable and the equal variance condition is clearly violated.

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A One-way ANOVA was done to investigate the waiting time of ER cases in the main hosipital and three satellite locations.
A random sample of 11 ER cases at each location were selected. Based on the Q-Q Normal plot of the ANOVA residuals and box plots of the waiting times of the 4
locations, which of the following statement is correct?
QQ Plot of Residuals
Residuals
30-
80
20
10
60-
-10
40
-20-
-30
20-
Satellite 1
Main
Satellite 2
Satellite 3
Normal Quantile
Variable
O A. While the conditions of Normality and equal variance are adequately satisfied, the independent samples and SRS conditions are questionable.
O B. All required conditions for ANOVA are questionable.
OC. All required conditions are adequately satisfied.
O D. While independent samples and SRS are clearly satisfied, the condition of Normality is questionable and the equal variance condition is clearly violated.
Transcribed Image Text:A One-way ANOVA was done to investigate the waiting time of ER cases in the main hosipital and three satellite locations. A random sample of 11 ER cases at each location were selected. Based on the Q-Q Normal plot of the ANOVA residuals and box plots of the waiting times of the 4 locations, which of the following statement is correct? QQ Plot of Residuals Residuals 30- 80 20 10 60- -10 40 -20- -30 20- Satellite 1 Main Satellite 2 Satellite 3 Normal Quantile Variable O A. While the conditions of Normality and equal variance are adequately satisfied, the independent samples and SRS conditions are questionable. O B. All required conditions for ANOVA are questionable. OC. All required conditions are adequately satisfied. O D. While independent samples and SRS are clearly satisfied, the condition of Normality is questionable and the equal variance condition is clearly violated.
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