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Cambridge IGCSE Statistics practice

What is the main advantage of using grouped frequency distributions?

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MCQ

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cambridge_mcq

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Topic

Frequency distributions

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What is the main advantage of using grouped frequency distributions?.

  1. A.They show exact values
  2. B.They simplify data analysis
  3. C.They provide more detail
  4. D.They are easier to create

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Paper 1 structured question: Frequency distributions

Paper 1Statistical Techniques1 marks

Data Table

Test Scores Distribution

The following table shows the distribution of test scores for a class of 20 students.

Score RangeFrequency
0 to under 102
10 to under 203
20 to under 305
30 to under 406
40 to under 504
  1. a

    Calculate the total number of students who scored 30 or above.

    Aim for approximately 1 distinct marking point.

    [1]