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  • You will need a pencil and paper for your workings.
  • Work out the answer to each question and type it in the answer box.
  • After you have typed in an answer, hit the “Check” button to mark your answer.
  • The test consists of 4 questions with a total mark of 15.
  • It should not take you longer than 15 minutes to complete this test.

Key points to remember:

1. Mean

Add up all the numbers and divide by how many numbers there are.

2. Median

Arrange the numbers in order (smallest first). The median is the number in the middle. (If there’s two numbers in the middle, add the two middle numbers and divide by 2.)

3. Mode

The most common value.

4. Range

Difference between the biggest and the smallest number (biggest – smallest)