Year 8
Year 8
Interpreting bar charts
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Lesson details
Key learning points
- In this lesson, we will interpret bar charts, including finding the mean from a bar chart.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
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?
15
32
5
Q2.
What is the mode number of siblings?
2
5
6
Q3.
What is the median number of siblings?
2.5
3
3.5
5 Questions
Q1.
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?
1
15
5
Q2.
What was the mode number of marks?
2
4
No mode
Q3.
What was the range?
12
2
4
Q4.
What was the median (it may be useful to draw a frequency table, or to write out all the data)?
13.5
15
16
Q5.
What was the mean (it may be useful to draw a frequency table, and you may need a calculator to work it out)?
18.375
19
24.5