A. X¯¯¯¯−S and X¯¯¯¯+S
B. X¯¯¯¯−2S and X¯¯¯¯+2S
C. X¯¯¯¯−3S and X¯¯¯¯+3S
D. None of these
A. 8
B. 3
C. 5
D. 24
E. None
If Y=−8X − 5 and SD of X is 3, then SD of Y is _______________? Read More »
Basic Statistics Mcqs, Statistics Mcqs A. Zero
B. Constant
C. a
D. None
The variance of a constant is_______________? Read More »
Basic Statistics Mcqs, Statistics Mcqs A. 5 Var(X)
B. 4 Var(X)
C. 4 Var(X)+3
D. 5 Var(X)+3
Var(2X+3) is________________? Read More »
Basic Statistics Mcqs, Statistics Mcqs A. 50
B. 70
C. 50/20
D. 50-20 = 30
E. 50
A. 20
B. 5
C. 2.5
D. 5.5
E. 0
A. Greater
B. Less
C. Equal
D. None
The standard deviation is always _________ than mean deviation? Read More »
Basic Statistics Mcqs, Statistics Mcqs A. Positive
B. Negative
C. 0
D. 1
The measure of Dispersion can never be________________? Read More »
Basic Statistics Mcqs, Statistics Mcqs A. 100%
B. 25%
C. 20%
D. None of these
A. Zero
B. 1
C. Negative
D. None of these
The first moment about means is always_________________? Read More »
Basic Statistics Mcqs, Statistics Mcqs