2. 11/22/2010 ©Evergreen Public Schools 2010 1 Guessing Ages Teacher Notes Have fun today! Slide 13 asks you to give students your age. Purpose Recall how to graph a scatter plot Identify independent and dependent variables of a data set. Learn how to identify, understand, and apply an understanding the correlation in a scatter plot: positive vs. negative and strong vs. weak.

3. ©Evergreen Public Schools 2010 2 LaunchLaunch You are going to guess ages of famous people. Do ty How could you determine who at your table is the best guesser?

4. ©Evergreen Public Schools 20103 Practice Target Standard 1: Make sense of problems and persevere in solving them. Standard 1: Make sense of problems and persevere in solving them. Standard 5: Use appropriate tools strategically. Standard 5: Use appropriate tools strategically.

5. ©Evergreen Public Schools 2010 4 Learning Target Modeling Data Learning Target S-IDc I can interpret linear models. Write one math word you already know. Write one math word you expect to learn in this lesson.

6. ©Evergreen Public Schools 2010 5 ExploreExplore

7. 6 Guessing Ages Hillary Clinton Rob Pattinson Alana Thompson Nicki Minaj LaMarcus Aldrige How old is … ?

8. ©Evergreen Public Schools 2010 7 Guessing Ages Teacher’s Choice Samuel L Jackson Jennifer Lawrence Channing Tatum Hugh Jackman How old is … ?

9. ©Evergreen Public Schools 2010 8 Guessing Ages The Actual Ages

10. ©Evergreen Public Schools 2010 9 Hillary Clinton 65

11. ©Evergreen Public Schools 2010 10 Rob Pattinson 26

12. ©Evergreen Public Schools 2010 11 Alana Thompson 8 Honey Boo Boo

13. ©Evergreen Public Schools 2010 12 Nicki Minaj 30

14. ©Evergreen Public Schools 2010 13 LaMarcus Aldridge 27

15. ©Evergreen Public Schools 2010 14 Teacher’s Choice __

16. ©Evergreen Public Schools 2010 15 Samuel L Jackson 63

17. ©Evergreen Public Schools 2010 16 Jennifer Lawrence 22

18. ©Evergreen Public Schools 2010 17 Channing Tatum 32

19. ©Evergreen Public Schools 2010 18 Hugh Jackman 44

20. ©Evergreen Public Schools 2010 19 Make a prediction Based on the information in your table, who in your group is the best guesser? Guessing Ages

21. ©Evergreen Public Schools 2010 20 Who in your group was the best guesser? Use at least one representation to support your claim. Guessing Ages

22. ©Evergreen Public Schools 2010 21 What do you think the word correlation means? If you’re not sure, what do you think this word means? Look for a part of the word you recognize. Does it look like any words you know? Describing Correlation

23. ©Evergreen Public Schools 2010 22 Describing Correlation

24. ©Evergreen Public Schools 2010 23 Describing Correlation Let’s share. Who has a graph with a strong correlation? Who has a graph with a weak correlation? Who has a graph with no correlation? Now, look at your Guessing Ages Scatter Plot

25. ©Evergreen Public Schools 2010 24 Debrief What do you think a perfect guesser’s scatter plot would look like? Best Guesser How can you determine who is the better guesser using the: table? scatter plot?

26. ©Evergreen Public Schools 2010 25 5 3 1 2 4 Learning Target Did you hit the target? I can describe and use technology to find and interpret the correlation coefficient of a linear model. Rate your understanding of the target from 1 to 5. 5 is a bullseye!

27. ©Evergreen Public Schools 2010 26 What would it mean about the guesser, if their scatter plot had a Strong Negative correlation?