Q1: 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
Q2: The class-mark of the class 20-30 is:
(i) 20
(ii) 30
(iii) 25
(iv) 10
Q3: The difference between the highest and the lowest values of observations in a data is called:
(i) mean of the data
(ii) range of the data
(iii) total frequency of data
(iv) sum of the observations.
Q4: In the interval 35 - 45, 45 is called
(i) upper limit
(ii) lower limit
(iii) range
(iv) frequency.
Q5: The number of times a particular observation occurs in a given data in called:
(i) its frequency
(ii) its range
(iii) its mean
(iv) none of there.
Q6: In history which of the following is represented by heights of the rectangles?
(i) frequency
(ii) class intervals
(iii) clan size
(iv) range.
Q7: Tally marks are used to finds which of the following:
(i) frequency
(ii) lower limits
(iii) upper limits
(iv) clan marks.
Q8: Which of the following is the probability of an impossible event?
(i) 0
(ii) 1
(iii) between 0 and 1
(iv) none of these.
Q9: Which of the following is the probability of a sure event?
(i) 0
(ii) 1
(iii) between 0 and 1
(iv) none of these
Q10: A coin is tossed. Which of the following is the probability of getting head or tail?
(i) 0
(ii) 1
(iii) 1/2
(iv) none of these
ANSWERS
1. (ii)
2. (iii)
3. (ii)
4. (i)
5. (i)
6. (i)
7. (i)
8. (i)
9. (ii)
10. (ii)
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1. What is data handling? |
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