Mean deviation is always ________________?
Mean deviation is always ________________?
		A.	Equal to S.D.
B.	More than S.D.
C.	Less than S.D.
D.	Negative
		A.	Equal to S.D.
B.	More than S.D.
C.	Less than S.D.
D.	Negative
		A. Variable
B. Probability distribution 
C. Values
D. None of these
		A. Science
B. Education
C. Intelligence
D. Business
		A.	None
B.	Four
C.	Add
D.	Even
		A. Random table
B. Contingency table
C. Dichotomy table
D. Chi-square table
A. Greater than 1
B. Less than 1
C. Remain same
D. No effect
		A. Estimate
B. Estimator
C. Probability
D. Numerical