logo

Cambridge IGCSE Statistics practice

Paper 1 structured question: Transformations of data sets

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

Attempt questionTransformations of data sets revisionRevise the key idea

At a glance

1

Paper

5

Marks

Topic

Transformations of data sets

Exam-style question

Try this first

Paper 1Statistical Techniques5 marks

A company records the number of products sold over four days: 12, 15, 14, and 19.

Data Table

Product Sales

The table shows the number of products sold each day.

DayProducts Sold
Monday12
Tuesday15
Wednesday14
Thursday19
  1. a

    Calculate the mean number of products sold per day.

    Aim for approximately 2 distinct marking points.

    [2]
  2. b

    Calculate the standard deviation of the products sold.

    Aim for approximately 3 distinct marking points.

    [3]

0 of 2 parts 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: Transformations of data sets

Paper 1Statistical Techniques3 marks

Description

Class Test Scores

Class A has a mean score of 75 with 10 students. Class B has a mean score of 85 with 15 students.

  1. a

    Calculate the mean score for all students combined.

    Aim for approximately 3 distinct marking points.

    [3]