A. None of the above
B. 0.1477
C. 0.1597
D. 0.3413
E. 0.4990
Normal Distribution
Mean deviation of Normal Distribution is………….?
A. 45σ
B. 34σ
C. 78σ
D. 23σ
The median of normal distribution corresponds to the value of Z equal to……………..?
A. 0.5
B. 1
C. µ
D. 0
If X N(55,49) then σ ?
A. 7
B. 55
C. 104
D. 49
The lower and upper quartile of standard normal variation are respectively ?
A. µ+0.6745σ and µ-0.6745σ
B. -0.6745 and 0.6745
C. -0.7979 and 0.7979
D. -0.7979σ and 0.7979σ
Total Area under the normal curve is……………?
A. Greater than 1
B. 1
C. None
D. Less than 1
E. 0
We use normal distribution when “n” is…………….?
A. Small
B. None
C. Fixed
D. Large
Shape of normal curve can be related to……………?
A. Bell
B. Circle
C. L
D. Rectangle
E. J
In a normal distribution E(X-µ)2 is…………….?
A. Variance
B. Mean Deviation
C. Standard Deviation
D. Quartile Deviation
In Normal distribution, the parameter which controls the flatness of the curve is…………?
A. µ,σ
B. None
C. µ, MD
D. 2∏—√,e