661. When we add the lower and upper class limits and dividing the sum by, the values so obtained are called class____________?
A. Interval
B. Histogram
C. Limits
D. Marks

662. In a table, foot note and source notes are ___________________?
A. Same
B. Different
C. Identical
D. Non-identical

663. A graph of cumulative frequency distribution is called ________________?
A. Histrogram
B. Frequency Polgon
C. Ogive
D. None of above

664. Normal distribution is _____ distribution?
A. Symmetrical
B. non-symmetrical
C. + vely skewed
D. -vely skewed

665. Total area under the normal curve is________?
A. 100
B. 1
C. 50%
D. 1%

666. For +ve and -ve skewed, check the sign of _______?
A. β1
B. µ2
C. β2
D. µ3

667. In normal distribution β1 = 0 and β2 is equal to _____________?
A. 0.5
B. 1
C. 2
D. 3

668. If “X” is normally distribution with >µ= 8 and S.D. 4, then P(6≤X≤10) may be______________?
A. 0
B. -0.32
C. 1.2
D. 0.2684

669. In a certain normal distribution having µ = 35 and variance = 16, then mode will be_______________?
A. 3.5
B. 16
C. 4
D. None of these

670. The value maximum ordinate of a standard normal curve at Z = 0 is:________?
A. 1
B. 0.5
C. 0.3989
D. None of these

NOTE
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