1. The range of the data: 6,14,20,16,6,5,4,18,25,15, and 5 is
I. 4
II. 21
III. 25
IV. 20
2. The class mark of the class 20-30 is
I. 20
II. 30
III. 25
IV. 10
3. The difference between the highest and the lowest value of the observations in a data is called:
I. Mean
II. Range
III. Total frequency
IV. Sum of observation
4. In the interval 35-45, 45 is called
I. Upper limit
II. Lower limit
III. Range
IV. Frequency
5. The number of times a particular observation occurs in a given data is called:
I. Its frequency
II. Its range
III. Its mean
IV. None of these
6. Is history which of the following is represented by the heights of the rectangles?
I. Frequency
II. Class interval
III. Class size
IV. Range
7. Tally marks are used to find which of the following?
I. Frequency
II. Lower limits
III. Upper limits
IV. Class marks
8. Which of the following is the probability of an impossible event?
I. 0
II. 1
III. 2
IV. None of these
9. Which of the following is the probability of a sure event?
I. 0
II. 1
III. 2
IV. None of these
10. A coin is tossed. Which of the following is the probability of getting a head or tail?
I. 0
II. 1
III. 1/2
IV. None of these
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Answers
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8
Answer:
1. II 2. III 3. II 4. I 5. I 6. I 7. I 8. I 9. II 10. II
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