Category: Basic Statistics Mcqs

A. variable
B. Constant
C. Primary data
D. Secondary data

A: 60
B: 30
C: Zero
D: 15

A. One
B. Four
C. More than value
D. Resindent

A. Symmetrical
B. Skewed
C. All of above
D. None of these

A. 21
B. 24
C. 28
D. 0

A. Primary source
B. secondary source
C. Organized data
D. none

A. Secondary data
B. Discrete data
C. Continuous data
D. None

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. Discrete variable
B. Continuous variable
C. Qualitative variable
D. Constant

A. ab2
B. 2a2
C. (a+b)/2
D. a−b2
E. 2a+b