Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education 2010. This document may have been altered from the original. To understand how to approach.

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Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original. To show the solutions to.

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Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original. To understand how to approach a question about frequency polygons. Objectives

Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original. 50 people grew sunflowers for a competition. The heights of the sunflowers (in cm) are given in the following table: Draw a frequency polygon to represent this data. Height ( x cm) Frequency

Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original. Height ( x cm) Frequency Frequency Height (cm) The midpoint of 40 and 50 is

Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original Frequency Height (cm)....so plot frequency is 2 at height 45. x Height ( x cm) Frequency

Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original Frequency Height (cm) The midpoint of 50 and 60 is 55...plot 5 there. x x Height ( x cm) Frequency

Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original Frequency Height (cm) And so on..... x x x x x x Height ( x cm) Frequency

Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original Frequency Height (cm) Now join them up. x x x x x x Height ( x cm) Frequency

Edexcel GCSE Maths Spec B – Modular: Booster C © Pearson Education This document may have been altered from the original. Remember to draw a properly continuous scale on the horizontal axes. Summary Make sure that you label axes properly. Plot frequencies at the midpoints of each class. Join the points with straight lines.