Zendaya has a part-time job at an ice skating rink selling hot cocoa. She decided to plot the number of hot cocoas she sold relative to the day's high temperature and then draw the line of best fit. What does the slope of the line represent?5101520253035404550304050607080901001101200xy0Hot Cocoas SoldHigh Temperature (Degrees Fahrenheit)AnswerMultiple Choice AnswersA prediction of number of hot cocoas sold when the temperature is 1degrees ∘ F.The rate of change in the expected number of hot cocoas over the day's high temperature.The rate of change in the day's high temperature for every additional hot cocoa sold.A prediction of the temperature when 1 hot cocoa is sold.
Question
Zendaya has a part-time job at an ice skating rink selling hot cocoa. She decided to plot the number of hot cocoas she sold relative to the day's high temperature and then draw the line of best fit. What does the slope of the line represent?5101520253035404550304050607080901001101200xy0Hot Cocoas SoldHigh Temperature (Degrees Fahrenheit)AnswerMultiple Choice AnswersA prediction of number of hot cocoas sold when the temperature is 1degrees ∘ F.The rate of change in the expected number of hot cocoas over the day's high temperature.The rate of change in the day's high temperature for every additional hot cocoa sold.A prediction of the temperature when 1 hot cocoa is sold.
Solution
To determine what the slope of the line of best fit represents, let's break down the components of the graph and the line of best fit:
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Identify the variables:
- The x-axis represents the high temperature of the day (in degrees Fahrenheit).
- The y-axis represents the number of hot cocoas sold.
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Understand the slope:
- The slope of a line in a graph represents the rate of change of the dependent variable (y-axis) with respect to the independent variable (x-axis).
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Interpret the slope in context:
- In this case, the slope represents how the number of hot cocoas sold changes as the high temperature of
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