1. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Statistic Interpreting Pie - Charts www.mathsrevision.com Constructing Graphs Interpreting Graphs and Tables Misleading Data Conducting a Survey

2. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

3. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Graphs www.mathsrevision.com Learning Intention Success Criteria 2.Answer questions related to the Graph. 1.We are learning to interpret Graphs. 1.Be able to read information from a Graph.

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. 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Bar Graphs

7. 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Bar Graphs

8. 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Bar Graphs

9. 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs

10. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs

11. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs

12. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs

13. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept www.mathsrevision.com Line Graphs Best Cars Cars R Us

14. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Now try TJ2a Ex 1 Ch 18 (Page 173) www.mathsrevision.com Interpreting Graphs

15. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

16. Level 2 20-Nov-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 how to interpret a Pie Chart. 1.Be able to read information from a Pie Chart.

17. 20-Nov-16Created by Mr.Lafferty Maths Dept Pie Charts www.mathsrevision.com Come up with a question that we can answer using this Pie Chart.

18. Created by Mr.Lafferty Maths Dept Pie Charts www.mathsrevision.com Come up with a question that we can answer using this Pie Chart.

19. Work out the fraction and percentage for each slice of the circles. Pie Charts 1 10 1 20 10% 5%

20. 20-Nov-16 Pie Charts www.mathsrevision.com Work out the fraction and percentage of each colour. 3 10 30% 5 50% 2 5 50%

21. 20-Nov-16 Pie Charts www.mathsrevision.com Work out the fraction and percentage of each colour. 1 20 5% 7 35% 6 30% 6 30%

22. 20-Nov-16Created by Mr. Lafferty22 The pie chart shows the results of a class survey into favourite restaurant food. Chinese French Indian Italian Pie Charts ItalianFrench Write down the fraction of the class that choose ChineseIndian

23. 20-Nov-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

24. Level 2 20-Nov-16Created by Mr. Lafferty Maths Dept. Now try TJ2b Ex 2 Ch18 (page 178) www.mathsrevision.com Interpreting Pie Charts

25. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

26. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Constructing Graphs www.mathsrevision.com Learning Intention Success Criteria 1.Be able to construct 1.Be able to construct Bar, Line and Pie Charts. 1.We are learning to construct Bar, Line and Pie Charts.

27. Level 2 20-Nov-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

28. 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

29. Level 2 20-Nov-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 !

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

31. Level 2 20-Nov-16Created by Mr. Lafferty 31 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 ?

32. 20-Nov-16Created by Mr. Lafferty32 www.mathsrevision.com Favourite Food Work out the percentage of each slice.

33. 20-Nov-16Created by Mr. Lafferty33 www.mathsrevision.com Favourite Food

34. Level 2 20-Nov-16Created by Mr. Lafferty 34 www.mathsrevision.com 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 ?

35. 20-Nov-16Created by Mr. Lafferty35 www.mathsrevision.com Favourite Fruit Work out the percentage of each slice.

36. 20-Nov-16Created by Mr. Lafferty36 www.mathsrevision.com Favourite Fruit

37. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Now try TJ2a Ex 3 Ch 18 (Page 180) www.mathsrevision.com Constructing Graphs

38. Level 2 20-Nov-16Created by Mr. Lafferty 38 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

39. Level 2 20-Nov-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.We are learning how some data presentations can be misleading. 1. Understand the important giving accurate information. Misleading Data 2. Be able to recognise misleading information.

40. 20-Nov-16Created by Mr. Lafferty40 Misleading Data Vertical scale should start at 0.

41. 20-Nov-16Created by Mr. Lafferty41 Misleading Data Whole circle should add up to 100%

42. 20-Nov-1642 Misleading Data No Scale and 3D gives false impression. 1995 and 1997 sold the same number of records

43. Level 2 20-Nov-16Created by Mr. Lafferty Maths Dept. Now try TJ2b Ex 4 Ch18 (page 183) www.mathsrevision.com Misleading Data

44. Level 2 20-Nov-16Created by Mr.Lafferty Maths Dept Starter Questions Starter Questions www.mathsrevision.com

45. Level 2 20-Nov-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com Learning Intention Success Criteria 1.We are learning the important details of a good survey. 1. Understand the important features of a good survey. Constructing a Survey 2. Create a good survey.

46. Level 2 20-Nov-16Created by Mr. Lafferty Maths Dept. www.mathsrevision.com 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.

47. 20-Nov-16Created by Mr. Lafferty47 www.mathsrevision.com Type of Data Continuous (measurable) Discrete (countable) Discrete (countable)

48. 20-Nov-16 Created by Mr. Lafferty 48 www.mathsrevision.com School Car Park Survey

49. Level 2 20-Nov-16Created by Mr. Lafferty Maths Dept. Now try TJ2b Ex 5 Ch18 (page 185) www.mathsrevision.com Survey Have you updated your Learning Log ?

50. Worksheet