In a symmetrical distribution mean, median and mode _______?
A. Positive
B. Greater
C. Less than
D. Coincide
The A.M. is greater than mode is equal to _____?
A. +vely
B. Skewness
C. Negatively
D. zero
Range of 5,5,5,5, is ______?
A. 0
B. 5
C. 25
D. None of these
The degree to which numerical data tend to spread about an average value is a ___?
A. Range
B. variance
C. Minimum
D. Dispersion
If y = bx + a the mean deviation of y is ______?
A. S.D. of y
B. var (x)
C. S.D. of x
D. M.D.of x
Absolute sum of deviations is minimum from ______?
A. Coefficient of variance
B. S.D. of x
C. Mean
D. Normal
Relative measure of skewness was introduced by _____?
A. Rowely
B. Lack
C. Karl Person
D. Mode
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
Mean deviation is equal to 4/5 of the _________ manipulation?
A. Quartile deviation
B. Range
C. Standard deviation
D. Variance
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
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