1. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Statistic Recap Interpreting and constructing Pie - Charts www.mathsrevision.com Constructing Bar & Line Graphs Interpreting Graphs Interpreting Tables and Misleading Data

2. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

3. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Graphs www.mathsrevision.com Learning Intention Success Criteria 2.Answer questions related to the Graph or Table. 1.We are learning to interpret Graphs & Tables. 1.Be able to read information from a Graph or Table.

4. Interpreting Graphs www.mathsrevision.com What does 1 computer represent You have 1 minute to come up with a question

5. Interpreting Graphs What does 1 snowflake represent You have 1 minute to come up with a question www.mathsrevision.com

6. 2-Oct-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Bar Graphs

7. 2-Oct-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Bar Graphs

8. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs

9. 2-Oct-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs

10. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Now try TJ2b Q1, Q2, Q5, Q6 Ch 17 (Page 156) www.mathsrevision.com Interpreting Graph

11. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Bar Graphs Lets construct a Bar graph for the following table Remember graph has to be labelled and neat ! A survey of S1 pupils asked what their favourite pet was. The results are shown below

12. Favourite Pets CatDogRabbitHamsterSnake 0 2 4 6 8 10 12 N u m b e r o f P u p i l s Pets What labels should we use for the Bar Chart Title, Scale, Labels and Units where appropriate

13. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs Lets construct a line graph for the following table Remember graph has to be labelled and neat !

14. MonTueWedThurFri 0 2 4 6 8 10 12 N u m b e r o f F l i e s Days

15. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Now try TJ2b Q3, Q4 and Q7 Ch 17 (Page 156) www.mathsrevision.com Constructing Graphs

16. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

17. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Pie Charts www.mathsrevision.com Learning Intention Success Criteria 2.Be able answer questions based on the Pie Chart. 1.We are learning to interpret and construct a Pie Charts. 1.Be able to read information from a Pie Chart. 2.Construct basic Pie Charts.

18. 2-Oct-16Created by Mr.Lafferty Maths Dept Pie Charts www.mathsrevision.com 50 people were asked what was there favourite holiday How many chose America Spain

19. Level 2 2-Oct-16Created by Mr. Lafferty 19 www.mathsrevision.com 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 ?

20. 2-Oct-16Created by Mr. Lafferty20 www.mathsrevision.com Favourite Food Work out the percentage of each slice.

21. 2-Oct-16Created by Mr. Lafferty21 www.mathsrevision.com Favourite Food

22. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Now try TJ2b Q8, Q9 and Q10 Ch 17 (Page 158) www.mathsrevision.com Pie Charts

23. Level 2 2-Oct-16Created by Mr. Lafferty 23 www.mathsrevision.com Q1. Q2.How long between 8:12am to 2.09pm Q3.75.9 x 7 Q4. Q5.The answer to a question is 81. Write down the question. 1200 1300 Find arrow value Starter Questions Starter Questions

24. Level 2 2-Oct-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.We are learning to interpret tables and how some data presentations can be misleading. 1. Understand the important giving accurate information. Table and Misleading Data 2. Be able to recognise misleading information and interpret information in a table.

25. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Best Deal Rates & Contracts ProviderFree minutes Free Text Internet Usage Contract months Cost per month O4O4 120300Unlimited12£9 Talkie180500Unlimited24£15 Blue5003000Unlimited18£25 V-Mobile1005000Unlimited12£30 Foney1000Unlimited 12£40 Below is a typical set of contracts for a mobile phone Tom uses very little calls or internet but sends 10 texts a day. What tariff is best ? Caitlin loves to be online, calls her friend 10 minutes per day and sends 80 texts a day. What tariff is best ? Paul is always looking for the best deal. He uses 5 minutes per day on calls, 11 texts per day and lots of online searches. What tariff is best ?

26. 2-Oct-16Created by Mr. Lafferty26 Misleading Data Vertical scale should start at 0.

27. 2-Oct-16Created by Mr. Lafferty27 Misleading Data Whole circle should add up to 100%

28. 2-Oct-1628 Misleading Data No Scale and 3D gives false impression. 1995 and 1997 sold the same number of records

29. Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Now try TJ2b Q11, Q12 and Q13 Ch 17 (Page 159) www.mathsrevision.com Misleading Data