Q. The coefficient of correlation between the regression coefficients is:
✅ Correct Answer: (B)
Geometric Mean
Business Statistics MCQs and Notes
Q. The regression coefficients re independent of change of origin but:
✅ Correct Answer: (A)
Not of Scale
Q. If one of the regression coefficient is greater than unity, the other must be:
✅ Correct Answer: (B)
Less than Unity
Q. If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:
✅ Correct Answer: (B)
40
Q. The range of the scores 29, 3, 143, 27, 99 is:
✅ Correct Answer: (A)
140
Q. In quality control of manufactured items, the most common measure of dispersion is:
✅ Correct Answer: (A)
Range
Q. The measure of dispersion which uses only two observations is called:
✅ Correct Answer: (A)
Range
Q. The measure of dispersion which uses only two observations is called:
✅ Correct Answer: (C)
Range
Q. Which of the following is an absolute measure of dispersion?
✅ Correct Answer: (C)
Standard deviation
Q. Given below the four sets of observations. Which set has the minimum variation?
✅ Correct Answer: (D)
48, 49, 50, 51, 52