Normal Distribution

A. The central 95% area
B. The point above above which95% area lies
C. The point above below which 95% area lies
D. Both (a) and (b) but not (c)

A. Symmetrical
B. + vely skewed
C. -vely skewed
D. Non of these

A. X = σ2
B. X = µ
C. X = µ + σ
D. X = 0

A. Coincide
B. Not equal
C. Different
D. None of These

A. Mean
B. S.D.
C. M.D.
D. Q.D.

A. 46
B. 76
C. 36
D. 47

A. -∞ to +∞
B. 0 to ∞
C. -∞ to 0
D. None of these

A. 40 and 60
B. 20 and 70
C. 20 and 30
D. 20 and 80

A. 1 parameter
B. 2 parameter
C. 3 parameter
D. 4 parameter

A. x
B. S/σ2
C. u
D. 2 µ2