Estimating Age

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CELEBRITY SCATTER PLOT!
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Estimating Age

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

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Tiger Woods
4
Oprah Winfrey
5
Michael Jordan
6
Steve Carell
7
Brad Pitt
8
John Grisham
9
President Obama
10
Ringo Starr
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Cameron Diaz
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Tom Cruise
13
Serena Williams
14
Nelson Mandella
15
Garth Brooks
16
George W. Bush
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Taylor Swift
18
Kanye West
19
Robert Pattinson
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Lady Gaga
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Derek Jeter
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Miley Cyrus
23
Nick Jonas
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How well did you estimate?

• Write down the actual age of each of these
  personalities in the y column on your paper.

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Actual Ages

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

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Actual Ages

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

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Actual Ages

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

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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!
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Scatter Plot

• What observations can be made about the scatter
  plot?
• What would the scatter plot look like if you
  guessed all of the ages correctly?

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Comparing our Guesses
What would out line look like if we guessed
everyones age correctly?? Plot that line on
your scatter plot
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Analyze Data

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

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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.