AI generatedStatisticsKey Stage 3

Reading a bar chart

Reading a bar chart.

  • Label axes, units and scales clearly.
  • Bar charts use separated bars; time-series graphs join points in time order.
  • Read the key when comparing more than one group.

Example 1

Read the frequency of the first category and find the total frequency.

Frequency chart02468ABCDFrequencyCategory
Use a consistent frequency scale. Keep equal-width bars with gaps between categories.
Total frequencyAdd all the frequencies.
First frequency 4; total 20.

Example 2

Read the frequency of the first category and find the total frequency.

Frequency chart02468ABCDFrequencyCategory
Use a consistent frequency scale. Keep equal-width bars with gaps between categories.
Total frequencyAdd all the frequencies.
First frequency 5; total 22.

Your turn

Question 1

Read the frequency of the first category and find the total frequency.

Frequency chart02468ABCDFrequencyCategory
Check answer
Use a consistent frequency scale. Keep equal-width bars with gaps between categories.
Total frequencyAdd all the frequencies.
First frequency 6; total 24.
Question 2

Read the frequency of the first category and find the total frequency.

Frequency chart02468ABCDFrequencyCategory
Check answer
Use a consistent frequency scale. Keep equal-width bars with gaps between categories.
Total frequencyAdd all the frequencies.
First frequency 7; total 26.
Question 3

Read the frequency of the first category and find the total frequency.

Frequency chart02468ABCDFrequencyCategory
Check answer
Use a consistent frequency scale. Keep equal-width bars with gaps between categories.
Total frequencyAdd all the frequencies.
First frequency 8; total 29.
Question 4

Read the frequency of the first category and find the total frequency.

Frequency chart0246810ABCDFrequencyCategory
Check answer
Use a consistent frequency scale. Keep equal-width bars with gaps between categories.
Total frequencyAdd all the frequencies.
First frequency 9; total 31.
Question 5

Read the frequency of the first category and find the total frequency.

Frequency chart0246810ABCDFrequencyCategory
Check answer
Use a consistent frequency scale. Keep equal-width bars with gaps between categories.
Total frequencyAdd all the frequencies.
First frequency 10; total 33.
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