1111. The following are the classes for which neither a lower nor a higher limit is specified:

A. Open end classes*
B. Inclusive classes
C. Exclusive classes
D. Close end classes

1112. Classes in which furthest cutoff points are avoided from the separate classes and are remembered for the quick next class are :

A. Open end classes
B. Inclusive end classes
C. Exclusive end classes *
D. Close end classes

1113. If the upper limit of a class and lower limit of the next class ina class interval are the same, it is a/an:

A. Inclusive class interval
B. Exclusive class interval *
C. Cumulative class interval
D. Statistical class interval

1114. If a group of people’s midpoints in a frequency distribution of their ages are 25, 32, 39, 53, and 60. The class interval’s size is :

A. 5
B. 8
C. 7 *
D. 6

1115. The magnitude of the class interval is as follows if the classes’ midpoints are 16, 24, 32, 40, and so on:

A. 8 *
B. 7
C. 6
D. 9

1116. IF the class interval is 10-20 then midpoint of the class will be :

A. 10
B. 20
C. 15 *
D. 30

1117. The classification of data refers to :

A. Correcting any error, irrelevant computation, or omission
B. Arranging of data according to some common characteristics *
C. Data organization in rows and columns
D. None of these

1118. A function very similar to that of sorting letters in a post office is :

A. Mean
B. Classification *
C. Mean deviation
D. Standard deviation

1119. ______ means separating items into various classes and grouping them according to similar characteristics.:

A. Tabulation
B. Separation
C. Classification *
D. Editing

1120. In statistics, the classification of _________ groups the data based on locational differences between the items under consideration:

A. Chronological
B. Geographical *
C. Regional
D. Alphabetical