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Unformatted text preview: Tables Charts & Graphs Tables Charts & Graphs 13 Feb 2012 13 Feb 2012 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. Relative Frequency Reading Pie Charts www.mathsrevision.com Constructing Pie Charts Cumulative Frequency Tables Dot Plots Cumulative Frequency Graphs Five Figure Summary Box Plots S5 Int2 Starter Questions Starter Questions 13 Feb 2012 13 Feb 2012 Created by Mr Lafferty Maths Dept Created by Mr Lafferty Maths Dept www.mathsrevision.com S5 Int2 1 Factorize 3x 3 – 9 2 A car depreciates at 15% per year. How much is it worth after 3 years, if it cost £12000 initially? 3 Write 85% as a common fraction in its simplest form. Tables Charts & Graphs Tables Charts & Graphs 13 Feb 2012 13 Feb 2012 Created by Mr Lafferty Maths Dept Created by Mr Lafferty Maths Dept Learning Intention Learning Intention Success Criteria Success Criteria 1. 1. Know the term relative frequency. Know the term relative frequency. 1. To understand the term relative frequency. 2. 2. Calculate relative frequency from data Calculate relative frequency from data given. given. www.mathsrevision.com Relative Frequency S5 Int2 Tables Charts & Graphs Tables Charts & Graphs 13 Feb 2012 13 Feb 2012 Created by Mr Lafferty Maths Dept Created by Mr Lafferty Maths Dept www.mathsrevision.com Relative Frequency How often an event happens compared to the total number of events. Country Country Frequency Frequency Relative Frequency Relative Frequency France France 180 180 Italy Italy 90 90 Spain Spain 90 90 Total Total Example : Wine sold in a shop over one week Relative Frequency 180 ÷ 360 = 180 ÷ 360 = 90 ÷ 360 = 90 ÷ 360 = 90 ÷ 360 = 90 ÷ 360 = 360 360 0.25 0.25 0.25 0.25 0.5 0.5 1 1 Relative Frequency always added up to 1 S5 Int2 Tables Charts & Graphs Tables Charts & Graphs 13 Feb 2012 13 Feb 2012 Created by Mr Lafferty Maths Dept Created by Mr Lafferty Maths Dept www.mathsrevision.com Relative Frequency How often an event happens compared to the total number of events. Boys Boys Girls Girls Total Total Frequency Frequency 300 300 200 200 Relative Frequency Relative Frequency Example Calculate the relative frequency for boys and girls born in the Royal Infirmary hospital in December 2007. Relative Frequency 500 0.6 0.4 1 Relative Frequency adds up to 1 S5 Int2 Question 1 Page 138 Question 1 Page 138 Created by Mr. Lafferty Maths Dept. Created by Mr. Lafferty Maths Dept. This question gives a breakdown of 5 hours on watching sport on TV. The time is recorded to the nearest 5 minutes....
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This note was uploaded on 02/13/2012 for the course MAT 205 math 205 taught by Professor Google during the Spring '10 term at University of Phoenix.
 Spring '10

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