There are ________ important bases of classification?
There are ________ important bases of classification?
A. Two
B. Four
C. Three
D. Five
A. Two
B. Four
C. Three
D. Five
A. On random variable X
B. Its parameter
C. Mean
D. Variance
A. A portion of the sample
B. A portion of the population
C. all the items under investigation
D. none of the above
A. 4
B. 8
C. 2
D. 12
E. 0
A. Ordinary
B. Graphs
C. Photo
D. Chart
A. Top
B. Bottom
C. Same
D. Different
A. Population
B. Sample
C. Data
D. Observations