Mean deviation =______ S.D?
Mean deviation =______ S.D? A. 2/3B. 4/5 C. 5/6 D. 6/5
Mean deviation =______ S.D? A. 2/3B. 4/5 C. 5/6 D. 6/5
The sum of the squares of deviations is the least when measured from____________? A. A.M. B. Median C. Mode D. G.M.
If Skewed distribution the three averages mean, median and mode are ________? A. IdenticalB. Different C. Zero D. None of these
The sum of powers of deviation from mean is zero is called __________? A. Mean B. LackC. Normal D. Skewed
First moment about origin is always equal to _______________? A. A.M. B. varianceC. Zero D. None of these
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? A. Mean B. DispersionC. Manner D. Central value
The S.D. and variance are ____ of origine? A. Multiplied B. Variance C. ChangeD. Independent
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 __________________? A. varies of data P2/6 B. S.D. of data h2/12 C. M.D. of data h2/6D. Variance of data h2/12