Basic Statistics Mcqs

A. Range
B. Standard Deviation
C. Coefficient of Variation
D. Mean Deviation

A. 1
B. 0
C. Mean
D. Mode
E. Median

A. 0
B. 2.58
C. 5
D. 4.66
E. 2.33

A. SD(X)−SD(Y)
B. SD(X)+SD(Y)
C. SD(X)+SD(Y)−−−−−−−−−−−−−−√
D. Var(X)+Var(Y)−−−−−−−−−−−−−−−√
18) If Y=−8X − 5 and SD of X is 3, then SD of Y is

A. Always
B. Sometimes
C. Never
D. None of these

A. a±bVar(X)
B. Var(a)±Var(X)
C. ±bVar(X)
D. b2Var(X)
E. (a±b)Var(X)

A. Origin
B. Scale
C. Both
D. None of these

A. 1
B. -1
C. 3
D. -3
E. 0

A. Zero
B. Maximum
C. Least
D. None

A. 4
B. 8
C. 2
D. 12
E. 0