Interpreting bar charts

Maths

Univariate data

The questions in this quiz all relate to the bar chart below, which shows the scores achieved by a class in a test. First, how many people scored 15 marks?

What was the median (it may be useful to draw a frequency table, or to write out all the data)?

What was the mean (it may be useful to draw a frequency table, and you may need a calculator to work it out)?

The questions in the quiz are about the table below, which is a frequency table showing the results of a survey which asked how many siblings students in a class had. First, how many people answered the survey?

This lesson will be removed by end of Summer Term 2025.

Interpreting bar charts

Lesson outcome

This lesson will be removed by end of Summer Term 2025.