Averages and Frequency Polygons
This lesson can be used for revision for the higher Maths GCSE. The examples are quick and concise with exam style questions, go to GCSE Maths if you need more in-depth explanations.
How to work out averages from tables?
How to draw frequency polygons?
You may be asked to work out the following from the table:
1) Find the modal group or interval (mode)
2) Find the group or interval that contains the median
3) Find an estimate of the mean
4) Draw a frequency polygon from the given information
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You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
How to work out averages from tables?
How to draw frequency polygons?
You may be asked to work out the following from the table:
1) Find the modal group or interval (mode)
2) Find the group or interval that contains the median
3) Find an estimate of the mean
4) Draw a frequency polygon from the given information
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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