Class VIII

A coin is tossed. Which of the following is the probability of getting a head or tail?
  1. 0
  2. 1
  3. 1/2
  4. None of these.
Marks (out of 10):  4   5   6   7   8   9   10    Frequency: 5 12 2 7 1 9 6 The frequency of greater than 7 marks is      
  1. 23
  2. 10
  3. 15
  4. 16
The range of the data: 6,14,20,16,6,5,4,18,25,15, and 5 is
  1. 4
  2. 21
  3. 25
  4. 20
In a pie chart, the total angle at the center of the circle is
  1. 180 degree
  2. 360 degree
  3. 270 degree
  4. 90 degree
The number of times a particular observation occurs in a given data is called:
  1. Its frequency
  2. Its range
  3. Its mean
  4. None of these
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