A. Variance
B. Mean
C. S.D.
D. Mode
Related Mcqs:
- Second moment about mean is always equal to _____________?
A. S.D.
B. C.V.
C. Variance
D. Square - Second moment about mean is_______________?
A. Standard Deviation
B. Variance
C. Coefficient of Variation
D. None of these - If third moment about mean is equal to zero, then distribution is ______________?
A. Negatively skewed
B. Symmetrical
C. positively skewed
D. None of these - If the third moment about mean is zero then distribution is_______________?
A. Mesokurtic
B. Positively Skewed
C. Symmetrical
D. Negatively Skewed - Random samples of size 17 are from a population that has 200 elements, a mean of 36, and a standard deviation of 8. which of the following best describes the from of the sampling distribution of the sample mean for this situation ?
A. Approximately normal because the sample size is small relative to the population size
B. Approximately normal because of the central limit theorem
C. Exactly
D. None of these alternatives is correct - Combine mean calculated by different given mean is ________?
A. n1x1 + n2x2x + _____ nuxu/n1 +n2 + ___ + nu
B. n1x1 + n2x2x + _____ nuxu/x1 + x2 + ____ x4
C. n1x1 + n2x2x + _____ nuxu/n1 + n2 + ___+ nu
D. ∑n1x/x1 - The _____ order moments about mean are all zero?
A. None
B. Four
C. Add
D. Even - First moment about origin is always equal to _______________?
A. A.M.
B. variance
C. Zero
D. None of these - The first moment about means is always_________________?
A. Zero
B. 1
C. Negative
D. None of these - The frequency distribution mean > Median > Mode is called __________?
A. Negatively
B. Symmetrical
C. +vely
D. One
