Worksheet for students to interpret slopes and y-intercepts from scatter plots, featuring real-world scenarios on surfing performance and sleep duration.

Worksheet titled "Interpreting Slopes and y-intercepts of Lines of Best Fit" with two scatter plots and questions about interpreting data related to surfing performance and sleep time.

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1. a. y = 0.5x + 60
b. The slope is 0.5. In terms of the scenario, this means that for every additional hour spent training per week, the surfer’s score increases by 0.5 points.
c. The y-intercept is 60. In terms of the scenario, this means that if a surfer spends 0 hours training per week, their predicted score is 60.

2. a. y = -0.75x + 10
b. The slope is -0.75. In terms of the scenario, this means that for every additional minute spent on screen time, the average amount of time to fall asleep increases by 0.75 minutes.
c. The y-intercept is 10. In terms of the scenario, this means that if a participant spends 0 minutes on screen time, their predicted average time to fall asleep is 10 minutes.

Parent Tip: Review the logic above to help your child master the concept of interpreting slope and y intercept worksheet.

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