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.

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Presentation transcript:

11/22/2010 ©Evergreen Public Schools 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.

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

©Evergreen Public Schools Learning Target Linear Models Target 2a I can describe the correlation of data in scatter plots in terms of strong or weak, and positive or negative. Write one math word you already know. Write one math word you expect to learn in this lesson.

©Evergreen Public Schools ExploreExplore

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

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

©Evergreen Public Schools Guessing Ages The Actual Ages

©Evergreen Public Schools Hillary Clinton 65

©Evergreen Public Schools Rob Pattinson 26

©Evergreen Public Schools Alana Thompson 8 Honey Boo Boo

©Evergreen Public Schools Nicki Minaj 30

©Evergreen Public Schools LaMarcus Aldridge 27

©Evergreen Public Schools Teacher’s Choice __

©Evergreen Public Schools Samuel L Jackson 63

©Evergreen Public Schools Jennifer Lawrence 22

©Evergreen Public Schools Channing Tatum 32

©Evergreen Public Schools Hugh Jackman 44

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

©Evergreen Public Schools Make a scatter plot Which variable should go on the x -axis? Why? This is the independent variable. Which variable should go on the y -axis? Why? This is the dependent variable. What does a scatter plot need? Guessing Ages

©Evergreen Public Schools 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

©Evergreen Public Schools Describing Correlation

©Evergreen Public Schools 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

©Evergreen Public Schools 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?

©Evergreen Public Schools Learning Target Did you hit the target? I can describe the correlation of data in scatter plots in terms of strong or weak, and positive or negative. Rate your understanding of the target from 1 to 5. 5 is a bullseye!

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