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

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

Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Graphs 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.

Interpreting Graphs What does 1 computer represent You have 1 minute to come up with a question

Interpreting Graphs What does 1 snowflake represent You have 1 minute to come up with a question

2-Oct-16Created by Mr.Lafferty Maths Dept Bar Graphs

2-Oct-16Created by Mr.Lafferty Maths Dept Bar Graphs

Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Line Graphs

2-Oct-16Created by Mr.Lafferty Maths Dept Line Graphs

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

Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept 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

Favourite Pets CatDogRabbitHamsterSnake 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

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

MonTueWedThurFri N u m b e r o f F l i e s Days

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

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

Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Pie Charts 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.

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

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

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

2-Oct-16Created by Mr. Lafferty21 Favourite Food

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

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

Level 2 2-Oct-16Created by Mr. Lafferty Maths Dept. 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.

Level 2 2-Oct-16Created by Mr.Lafferty Maths Dept Best Deal Rates & Contracts ProviderFree minutes Free Text Internet Usage Contract months Cost per month O4O Unlimited12£9 Talkie180500Unlimited24£15 Blue Unlimited18£25 V-Mobile Unlimited12£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 ?

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

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

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

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