8.5 Relationships in Data

Beginning Lesson


The Biggest Loser

How should the winner of The Biggest Loser be chosen? Students model weight loss with linear equations, and use percent change to compare absolute and relative weight loss for several contestants. They also examine historical data to determine which method produces the fairer game.

Topic: Functions (F), Statistics and Probability (SP)

Middle Lesson


The Reel Deal

How has the length of popular movies changed over time? Students use scatterplots to examine linear and nonlinear patterns in data and make predictions about the future.

Topic: Statistics and Probability (SP)

End Lesson

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Let Down Your Hair

How fast does hair grow? Students analyze a scatterplot, create a line of best fit, and interpret slope as the rate of hair growth over time.

Topic: Functions (F), Statistics and Probability (SP)