1. A S C T E R E P H B G D F I J K L M N O R U V W1 2 3 4 5 6 7 8 9 0 1234567 8 9 Y X Find the title of today's lesson by decoding these coordinates: (4,7)(2,4)(6,5)(1,8)(1,8)(1,1)(5,6) (6,8)(5,6)(6,5)(1,6)(4,4)(4,7)

2. Scatter Graphs LO: All: To be able plot a scatter graph. Most: To be able to interpret correlation. Some: To be able to identify when a scatter graph is useful and when it isn’t. Level 6

3. Is there a relationship between Age and Height? 5 67 89 10 1211 110 120 130 140 150 160 100 Height (cm) Age (years) 1278 6 Height (cm)132130128143132120

4. Is there a relationship between forearm and hand span?

5. Test score Time spent doing homework (minutes) Positive correlation Maths score Science score weak positive correlation

6. Rainfall (mm) Temperature(°C) Electricity used (kWh) Outdoor temperature (ºC) Negative correlation weak negative correlation

7. House number IQ No correlation

8. The number of firemen fighting a fire and how big the fire is. What type of correlation would you expect? Number of fire men Size of fire

9. During summer, the number of people with hayfever and the amount of pollen in the air. What type of correlation would you expect? Number of people with hayfever. Amount of pollen in the air

10. The length of someone's hair and their shoe size. What type of correlation would you expect? Hair length. Shoe size.

11. Amy scored 20 marks in maths and 75 mark in art. Which cross represents her scores? A B C D E F G H I J

12. What type of correlation does this scatter graph show?

13. Which diagram shows weak negative correlation?

14. Which type of correlation would you expect there to be on a scatter graph, between outside temperature and sales of ice cream?

15. Number of Bees Ice creams sold x x x x x x x x x x x x xx Is this a sensible scatter graph?