Question

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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Answer 1

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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Answer 2

Answer:

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