4 grade
Arithmetic mean (Average)
This test develops calculation of the arithmetic mean by adding all values and dividing by the number of values. Tasks also involve finding a missing data value and interpreting an average in a practical context.
Tests by topic
Averages
These tests help build a secure understanding of the topic and its solution methods. Choose a test for your grade and practise at your own pace.
Tests by topic
Tests for this topic
6 grade
Mean, mode and median
This test develops the ability to calculate and interpret the arithmetic mean, mode, median and range. Tasks require students to order data, read frequency tables and choose the most appropriate measure of centre for a situation.
12 grade
Statistical study and data interpretation
This test develops planning of a statistical investigation and justified interpretation of data. Tasks cover populations, samples, variable types, the mean, standard deviation, outliers and the reliability of conclusions.