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1. The width or size of the class interval 30-40 is:
A. 10
B. 30
C. 40
D. 70
2. If a coin is flipped in the air, what is the probability of getting a tail?
A. 0
B. 1/2
C. 1
D. 2
3. A bag has 4 red balls and 4 green balls, what is the probability of getting a red ball randomly?
A. 1/4
B. 1/8
C. 1/2
D. 0
4. If a die is thrown in air, the probability of getting even numbers is:
A. 1/2
B. 1/6
C. 1/3
D. 2/3
5. Pictorial representation of data using symbols is known as:
A. Bargraph
B. Pictograph
C. Piechart
D. None of these
6. Double bar graphs display ______ sets of data simultaneously.
A. Four
B. Three
C. Two
D. No
7. _________ gives the number of times a particular entry occurs.
A. Organisation of data
B. Collection of Data
C. Representation of Data
D. Frequency distribution table
8. In grouped data, each of the group is called:
A. Class interval
B. Collection of data
C. Frequency
D. Grouped frequency distribution
9. If 20-30 is the class interval of grouped data, then lower class limit is:
A. 50
B. 30
C. 20
D. 10
10. The difference between the upper class limit and lower class limit of a class interval is called:
A. Frequency
B. Width
C. Grouped data
D. Ungrouped data
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