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1. Which of the following corresponds to the predictor variable in simple linear regression?

y=a+ b x

Where,
y= Predicted (Dependent) variable
x=Predictor (independent) variable
b=slope of the line.

a. regression coefficient
b. dependent variable
c. independent variable
d. predicted variable
e. demand

2. Given forecast errors of 4, 8, and -3, what is the mean absolute deviation?
Mean absolute Deviation=Σ|e| / n= 4+8+3/ 3=15/3=5

a. 4
b. 3
c. 5
d. 6
e. 12

3. One way to increase reliability is to:

a. eliminate backup component
b. improve preventive maintenance procedure
c. increase mean repair time
d. increase the number of independent components
e. none of the above

4. Service design generally differs from product design in which of the following ways?

a. Service design tends to focus on tangible factors.
b. There is less latitude in detecting and correcting errors prior to delivery.
c. There is a lesser requirement to be aware of competitors offerings.
d. There is less visibility to customers.
e. None of the above

Business Management, Management Studies

  • Category:- Business Management
  • Reference No.:- M916161

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