Reference no: EM132407214
Question 1
You are in the industrial janitorial field providing service to companies on the north end of your city. You are trying to determine which of the following to track to determine if it might be a predictor of the number of service calls you could expect.
(a) usage of copy machines
(b) hours of average overtime worked by employees in the state
(c) number of dog owners
(d) number of cars in employee parking at the companies you service
Question 2
Select the pair which provides a logical independent/dependent variable relationship. You might want to "google" to see what the internet tells you about these relationships as one is well documented as having significance.
(a) shoe size and nail polish color
(b) flu shots and travel to the tropics
(c) number of children and gas mileage of family car
(d) amount of snow and incidents of heart attacks
Question 3
Which of the following is true regarding dependent and independent variables?
(a) Only when the value of relationship is .9 or better should the variables be used in estimating
(b) The significance between the two could change due to other factors which must be considered
(c) Once a relationship is established between two variables it can be used without concern as a solid basis for estimating
(d) Re-evaluation each quarter is needed to assure the estimates are still solid