Cumulative Frequency and Relative Frequency Calculation
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Questions and Answers

What is the cumulative frequency for employees aged between 27 and 32 years?

  • 72 (correct)
  • 47
  • 64
  • 56
  • Which age group has the highest cumulative relative frequency among employees in the firm?

  • 30-32
  • 33-35
  • 27-29 (correct)
  • 24-26
  • What is the correct calculation for the cumulative relative frequency of employees aged 39-41?

  • 0.55 (correct)
  • 0.80
  • 0.95
  • 0.15
  • What is the relative frequency of the score 7 in the given data?

    <p>0.15</p> Signup and view all the answers

    In the grouped data, what is the relative frequency of the class interval 51-60?

    <p>0.20</p> Signup and view all the answers

    What is the cumulative relative frequency of ungrouped data when the cumulative frequency is 4 and the total frequency is 20?

    <p>0.20</p> Signup and view all the answers

    Why is it necessary to group data in sophisticated analyses?

    <p>To handle large datasets that are difficult to analyze individually</p> Signup and view all the answers

    What are class intervals in grouped data?

    <p>Disjoint and contiguous intervals that cover the whole range of data</p> Signup and view all the answers

    What is the main characteristic of class intervals in grouped data?

    <p>They are mutually exclusive and collectively exhaustive</p> Signup and view all the answers

    Why is it cautioned that the number of classes should neither be too few nor too many?

    <p>To balance between having enough detail and avoiding excessive complexity</p> Signup and view all the answers

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