A. a discrete variable
B. a continuous variable
C. a constant
D. a qualitative variable
A. Grouped data
B. Ungrouped data
C. Secondary data
D. Primary data
E. Arrayed data
A. Raw data
B. Primary data
C. Secondary data
D. Qualitative data
A. Simple average of relatives
B. Average of weights
C. Weighted average of relatives
D. All of above
A. Only when the sample size is at least 100.
B. Only when the sample size is smaller than 30
C. Always
D. Only when the sample size is at least 30.
A. Singular Sense
B. Plural Sense
C. Singular as well as plural sense
D. Non of these
A. 100
B. 1
C. 50%
D. 1%