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Statistic. Interpreting Graphs and Tables. Interpreting Pie - Charts. Constructing Graphs. Misleading Data. www.mathsrevision.com. Conducting a Survey. Starter Questions. www.mathsrevision.com. Graphs. Learning Intention. Success Criteria. We are learning to interpret Graphs.
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Statistic Interpreting Graphs and Tables Interpreting Pie - Charts Constructing Graphs Misleading Data www.mathsrevision.com Conducting a Survey Created by Mr.Lafferty Maths Dept
Starter Questions www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Graphs Learning Intention Success Criteria • We are learning to interpret Graphs . • 1. Be able to read information from a Graph. 2. Answer questions related to the Graph. www.mathsrevision.com Created by Mr.Lafferty Maths Dept
What does 1 computer represent You have 1 minute to come up with a question Interpreting Graphs www.mathsrevision.com
What does 1 snowflake represent You have 1 minute to come up with a question Interpreting Graphs www.mathsrevision.com
Bar Graphs www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Bar Graphs www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Bar Graphs www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Line Graphs www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Line Graphs www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Line Graphs www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Line Graphs www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Line Graphs Best Cars Cars R Us www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Interpreting Graphs Now try TJ2a Ex 1 Ch 18 (Page 173) www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Starter Questions www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Pie Charts Learning Intention Success Criteria • We are learning to how to interpret a Pie Chart. • 1. Be able to read information from a Pie Chart. 2. Be able answer questions based on the Pie Chart. www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Pie Charts Come up with a question that we can answer using this Pie Chart. www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Pie Charts Come up with a question that we can answer using this Pie Chart. www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Pie Charts Work out the fraction and percentage for each slice of the circles. 1 1 10 20 5% 10%
Pie Charts Work out the fraction and percentage of each colour. 2 5 3 10 10 5 50% 30% www.mathsrevision.com 50%
Pie Charts Work out the fraction and percentage of each colour. 7 6 1 6 20 20 20 20 35% 5% www.mathsrevision.com 30% 30%
Chinese Indian Italian French Pie Charts The pie chart shows the results of a class survey into favourite restaurant food. Write down the fraction of the class that choose Indian Chinese Italian French Created by Mr. Lafferty
Pie Charts 50 people were asked what was there favourite holiday Spain How many chose America www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Interpreting Pie Charts Now try TJ2b Ex 2 Ch18 (page 178) www.mathsrevision.com Created by Mr. Lafferty Maths Dept.
Starter Questions www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Constructing Graphs Learning Intention Success Criteria • We are learning to construct Bar , Line and Pie Charts. 1. Be able to construct Bar , Line and Pie Charts. www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Bar Graphs A survey of S1 pupils asked what their favourite pet was. The results are shown below www.mathsrevision.com Lets construct a Bar graph for the following table Remember graph has to be labelled and neat ! Created by Mr.Lafferty Maths Dept
What labels should we use for the Bar Chart Title, Scale, Labels and Units where appropriate Favourite Pets 12 10 8 Number of Pupils 6 4 2 0 Cat Dog Rabbit Hamster Snake Pets
Line Graphs Lets construct a line graph for the following table www.mathsrevision.com Remember graph has to be labelled and neat ! Created by Mr.Lafferty Maths Dept
12 10 8 Number of Flies 6 4 2 0 Mon Tue Wed Thur Fri Days
Easy Pie Charts A survey was conducted to find peoples favourite food. The percentage results are given below. Construct a Pie Chart to represent the data. What is your favourite food ? www.mathsrevision.com Created by Mr. Lafferty
Work out the percentage of each slice. Favourite Food www.mathsrevision.com Created by Mr. Lafferty
Favourite Food www.mathsrevision.com Created by Mr. Lafferty
Pie Charts A survey was conducted to find peoples favourite fruit. The percentage results are given below. Construct a Pie Chart to represent the data. Which Fruit do you like best ? www.mathsrevision.com Created by Mr. Lafferty
Work out the percentage of each slice. Favourite Fruit www.mathsrevision.com Created by Mr. Lafferty
Favourite Fruit www.mathsrevision.com Created by Mr. Lafferty
Constructing Graphs Now try TJ2a Ex 3 Ch 18 (Page 180) www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Starter Questions Q1. Q2. How long between 8:12am to 2.09pm Q3. 75.9 x 7 www.mathsrevision.com Find arrow value Q4. 1300 1200 Q5. The answer to a question is 81. Write down the question. Created by Mr. Lafferty
Misleading Data Learning Intention Success Criteria 1. Understand the important giving accurate information. • We are learning how some data presentations can be misleading. 2. Be able to recognise misleading information. www.mathsrevision.com Created by Mr. Lafferty Maths Dept.
Vertical scale should start at 0. Misleading Data Created by Mr. Lafferty
Misleading Data Whole circle should add up to 100% Created by Mr. Lafferty
No Scale and 3D gives false impression. Misleading Data 1995 and 1997 sold the same number of records
Misleading Data Now try TJ2b Ex 4 Ch18 (page 183) www.mathsrevision.com Created by Mr. Lafferty Maths Dept.
Starter Questions www.mathsrevision.com Created by Mr.Lafferty Maths Dept
Constructing a Survey Learning Intention Success Criteria 1. Understand the important features of a good survey. • We are learning the important details of a good survey. 2. Create a good survey. www.mathsrevision.com Created by Mr. Lafferty Maths Dept.
A Good Survey To make a good survey you need to think about.... • Have you avoided being bias in your survey • Will you use a tick box or questionnaire • Discrete (countable) or Continuous (measureable) • Presentation of your survey • How will you present your results. www.mathsrevision.com Created by Mr. Lafferty Maths Dept.
Type of Data Continuous (measurable) Discrete (countable) www.mathsrevision.com Discrete (countable) Created by Mr. Lafferty
School Car Park Survey www.mathsrevision.com Created by Mr. Lafferty
Have you updated your Learning Log ? Survey Now try TJ2b Ex 5 Ch18 (page 185) www.mathsrevision.com Created by Mr. Lafferty Maths Dept.