Dual Stem and Leaf Diagrams

Sample Dual Stem and Leaf Diagrams questions

A few of the 14 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

1. Question 13 marksGrade 4-5
   The back-to-back stem-and-leaf diagram shows the times, in minutes, taken by two groups to complete a puzzle. (a) How many people are in Group A? (b) Find the median time for Group B.
   Show the worked solution

   (a) Group A's leaves: 15, 18, 21, 23, 27, 32 -- that's 6 people. B1

   (b) Group B in order: 12, 14, 19, 20, 23, 25, 28, 31, 34. With 9 values, the median is the 5th value: 23.

What are the common mistakes in Dual Stem and Leaf Diagrams?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

• Assigns a value to the wrong group/category in a comparison

  Counted leaves from the wrong side of the diagram -- Boys's leaves are read right-to-left on the left side

• Picks the wrong position when reading off the median

  Read off the wrong leaf position for the middle value of Class Y's 6 data points

Quick answers about Dual Stem and Leaf Diagrams

How many Dual Stem and Leaf Diagrams practice questions are there?

There are 14 self-marking GCSE and IGCSE Maths questions on Dual Stem and Leaf Diagrams, written for AQA, Pearson, OCR, Cambridge IGCSE Mathematics (0580), Cambridge IGCSE (9-1) Mathematics (0980) across Foundation and Higher and Core and Extended tier. Each one is marked instantly and has a full worked solution.

Do I need an account to practise Dual Stem and Leaf Diagrams?

No. You can start practising Dual Stem and Leaf Diagrams straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.