MathematicsAges of employees of an office are given below:Find the cummulative frequency corresponding to 45-50.

Ages of employees of an office are given below:


Find the cummulative frequency corresponding to 45-50.


  1. A
    172
  2. B
    136
  3. C
    42
  4. D
    145 

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    Solution:

    Ages of employees of an office are given below:
    As we know that the cummulative frequency is the sum of all previous frequencies.
    The cumulative frequency distribution table:
    Thus, the cummulative frequency corresponding to 45-50 is 172.
    Therefore, option 1 is correct.
     
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