2. Estimating Age Write down the age of each of the following people in the x column on your paper. Make your best guess!

3. Tiger Woods

4. Oprah Winfrey

5. Michael Jordan

6. Steve Carell

7. Brad Pitt

8. John Grisham

9. President Obama

10. Ringo Starr

11. Cameron Diaz

12. Tom Cruise

13. Serena Williams

14. Nelson Mandella

15. Garth Brooks

16. George W. Bush

17. Taylor Swift

18. Kanye West

19. Robert Pattinson

20. Lady Gaga

21. Derek Jeter

22. Miley Cyrus

23. Nick Jonas

24. How well did you estimate? Write down the actual age of each of these personalities in the y column on your paper.

25. Actual Ages n Tiger Woods – 33 -- December 30, 1975 n Oprah Winfrey – 55 -- January 24, 1954 n Michael Jordan – 46 -- February 17, 1963 n Steve Carell – 47 -- April 16, 1962 n Brad Pitt -- 46 -- December 18, 1963 n John Grisham --54-- February 8, 1955 n President Obama – 48-- August 4, 1961

26. Actual Ages n Ringo Starr – 69 -- July 7, 1940 n Cameron Diaz – 37-- August 30, 1972 n Tom Cruise -- 47 -- July 3, 1962 n Serena Williams – 28-- September 26, 1981 n Nelson Mandella -- 91 -- July 18, 1918 n Garth Brooks -- 47 -- February 7, 1962 n George W. Bush -- 63 -- n George W. Bush -- 63 -- July 6, 1946

27. Actual Ages n Taylor Swift – 19 -- Dec. 13, 1989 n Kanye West – 32 -- June 8, 1977 n Robert Pattinson – 23 -- May 13, 1986 n Lady Gaga – 23 -- March 28, 1986 n Derek Jeter – 35 -- June 26, 1974 n Miley Cyrus – 17 -- November 23, 1992 n Nick Jonas – 17 -- Sept 16, 1992

28. Scatter Plot Draw a scatter plot of your guesses and actual age for each celebrity. x = your guess y = actual age Remember to label the x and y axis and title the graph!

29. Scatter Plot n What observations can be made about the scatter plot? n What would the scatter plot look like if you guessed all of the ages correctly?

30. Comparing our Guesses What would out line look like if we guessed everyone’s age correctly?? Plot that line on your scatter plot

31. Analyze Data n What do we know about data points that were plotted below our y = x line? n What do we know about data points that were plotted above our y = x line? n What if our points lie on the line? n How accurate were you compared to your partner?

32. HOMEWORK Come up with 3 more celebrities to add to my list. You must provide their name and birthday (including year) They can be young, old, or even fictional as long as they have an “age” to guess.