logo

Cambridge IGCSE Statistics practice

Paper 1 structured question: Frequency distributions

Try the question first, then check the answer and practise the same topic again.

Attempt questionFrequency distributions revisionRevise the key idea

At a glance

1

Paper

2

Marks

Topic

Frequency distributions

Exam-style question

Try this first

Paper 1Statistical Techniques2 marks

A grouped frequency distribution for continuous data shows the following classes: 10–19, 20–29, 30–39.

Data Table

Grouped Frequency Distribution Classes

Classes for continuous data

ClassLower Class LimitUpper Class Limit
10–191019
20–292029
30–393039
  1. a

    Identify the class boundaries for the class 10–19.

    Aim for approximately 2 distinct marking points.

    [2]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 1 structured question: Frequency distributions

Paper 1Statistical Techniques2 marks

Data Table

Grouped Frequency Distribution Classes

Classes for discrete data

ClassLower Class LimitUpper Class Limit
1–313
4–646
7–979
  1. a

    Calculate the midpoint of the class 4–6.

    Aim for approximately 1 distinct marking point.

    [1]
  2. b

    Determine the class width of the class 7–9.

    Aim for approximately 1 distinct marking point.

    [1]