A. Multiplied
B. Variance
C. Change
D. Independent
Related Mcqs:
- suppose for 40 observation, the variance is 50. If all the observation are increased by 20, the variance of these increased observation will be_________?
A. 50
B. 70
C. 50/20
D. 50-20=30 - The variance of 5 numbers is 10. If each number is divided by 2, then variance of new number is_____________?
A. 20
B. 5
C. 2.5
D. 0 - The variance of 5 numbers is 10. If each number is divided by 2, then the variance of new numbers is______________?
A. 20
B. 5
C. 2.5
D. 5.5
E. 0 - Suppose for 40 observations, the variance is 50. If all the observations are increased by 20, the variance of these increased observation will be______________?
A. 50
B. 70
C. 50/20
D. 50-20 = 30
E. 50 - Sample variance S2 is unbiased estimator of population variance 26 because ________________?
A. E(S2) = s2
B. E(u) = X
C. E(P) = P
D. Ux = u - 1. Nos. is a ____ for measuring changes in a variable or a group of related variables?
A. variable
B. Region of goods
C. Device
D. Cost - Mean is relatively ____ measure?
A. Stable
B. manipulation
C. Change
D. Group - The quartile deviation is ____ (S.D.) is normal dist?
A. .6734
B. .7879
C. .6745
D. .4567 - Every distribution tends to ____ distribution?
A. Small
B. ∞
C. Large
D. Finite - Area to the right of (z=0) is the area for ____ values of z?
A. Zero
B. Negative
C. Positive
D. None of these
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