MathematicsThe following table gives the marks obtained by 60 students in a section test:Find f and F.

The following table gives the marks obtained by 60 students in a section test:


Find f and F.


  1. A
    8 and 28
  2. B
    60 and 8
  3. C
    50 and 8
  4. D
    40 and 8 

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    Solution:

    It’s given that the following table gives the marks obtained by 60 students in a section test:
    Frequency distribution shows frequency (number of students) corresponding to different marks intervals.
    In statistics, a frequency distribution which is said to be a list of tables or graphs that display the frequency of various outcomes in a sample.
    Now from the table we get,
    F=20+30
    F=50
    And we know,
    f=58-F
    F=58-50
    f=8
    Considering the circumstances stated above, the value of F and f is 50 and 8 respectively.
    Therefore, option 3 is correct.
     
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