Executives at a large multinational corporation want to be able to predict the a
ID: 3199940 • Letter: E
Question
Executives at a large multinational corporation want to be able to predict the average number of sick days taken per year by employees with a given number of years of experience. Data on sick days taken per yearand years of experience were collected for a sample of employees. Complete parts a through cbelow. a) Which variable is the explanatory or predictor variable? A. The explanatory variable is sick days taken per year because the executives want to know how sick days taken per year depends on years of experience O B. The explanatory variable is years of experience because the executives want to know how years of experience depends on sick days taken per year. O C. The explanatory variable is years of experience because the executives want to know how sick days taken per year depends on years of experience O D. The explanatory variable is sick days taken per year because the executives want to know how years of experience depends on sick days taken per year. b) ich variable is the response variable? O A. The response variable is sick days taken per year because the executives want to know how sick days taken per year depends on years of experience O B. The response variable is years of experience because the executives want to know how years of experience depends on sick days taken per year. O C. The response variable is years of experience because the executives want to know how sick days taken per year depends on years of experience O D. The response variable is sick days taken per year because the executives want to know how years of experience depends on sick days taken per year.Explanation / Answer
ANSWERS:
a) (C)
Here the explanatory variable is Yeras of experience
explanatory : The variable whose value is to be used for prediction is called explanatory or independent variable
b) (A)
Here the response variable is average number of sick days taken per year by employees
Response variable : The variable whose value is to be predicted is called response variable or dependent variable
c) (B)
Here the response variable is sick days taken per year by employees, it should be plotted on Y-axis
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