If Skewed distribution the three averages mean, median and mode are ________?
A. Identical
B. Different
C. Zero
D. None of these
The sum of powers of deviation from mean is zero is called __________?
The sum of powers of deviation from mean is zero is called __________?
A. Mean
B. Lack
C. Normal
D. Skewed
First moment about origin is always equal to _______________?
First moment about origin is always equal to _______________?
A. A.M.
B. variance
C. Zero
D. None of these
The value of interval x ± S include _______________?
The value of interval x ± S include _______________?
A. 49.45%
B. 95.45%
C. 68.27%
D. 99.73%
The ________ in the distribution around which the observation to lie?
The ________ in the distribution around which the observation to lie?
A. Mean
B. Dispersion
C. Manner
D. Central value
The S.D. and variance are ____ of origine?
The S.D. and variance are ____ of origine?
A. Multiplied
B. Variance
C. Change
D. Independent
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
The correct variance is define as the __________________?
The correct variance is define as the __________________?
A. varies of data P2/6
B. S.D. of data h2/12
C. M.D. of data h2/6
D. Variance of data h2/12
Mean deviation is equal to 4/5 of the _________ manipulation?
Mean deviation is equal to 4/5 of the _________ manipulation?
A. Quartile deviation
B. Range
C. Standard deviation
D. Variance
In grouped data, the range is the difference between ________________?
In grouped data, the range is the difference between ________________?
A. Two extreme class boundaries
B. Two extreme class frequency
C. Two extreme class limits
D. None of these