Bar charts and histograms (OCR GCSE Maths): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What type of data are bar charts used for?
What type of data are bar charts used for?
Categorical data
What type of data are histograms used for?
What type of data are histograms used for?
Continuous data
How are bars arranged in a bar chart?
How are bars arranged in a bar chart?
Separated by gaps
How are bars arranged in a histogram?
How are bars arranged in a histogram?
Touching each other
What does the height of a bar represent in a bar chart?
What does the height of a bar represent in a bar chart?
Frequency
What does the height of a bar represent in a histogram?
What does the height of a bar represent in a histogram?
Frequency density
What is the formula for frequency density?
What is the formula for frequency density?
For the interval , what is the group width?
For the interval , what is the group width?
In a histogram, what is proportional to the frequency?
In a histogram, what is proportional to the frequency?
The area of each bar
What is the rearranged formula to calculate frequency?
What is the rearranged formula to calculate frequency?
If frequency is and group width is , what is frequency density?
If frequency is and group width is , what is frequency density?
Why do we use statistical diagrams?
Why do we use statistical diagrams?
To simplify data and see patterns