Exercise
Comprehensive Assessment 2: Master Fitting Models
Complete a comprehensive evaluation on fitting, analyzing, and using linear models. Demonstrate mastery of scatter plots, trend lines, and predictions.
Questions
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MultiChoice
Which linear equation models a line of best fit passing through (0, 100) and (10, 150)?
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MultiChoice
Using y = 5x + 100, what is the predicted value of y when x = 20?
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MultiChoice
What type of trend is represented by y = 5x + 100?
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MultiChoice
A scatter plot shows height of candle vs burning time. Which equation is most plausible?
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MultiChoice
In candle model y = -1.5x + 20 (x in hours, y in cm), what does 20 mean?
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MultiChoice
In y = -1.5x + 20, after how many hours will the candle be completely burned down (y = 0)?
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MultiChoice
Why is a scatter plot superior to a simple data table when searching for linear trends?
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MultiChoice
Which scatter plot point is furthest from the trend line y = 3x + 1?
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MultiChoice
Point (2, 20) in the previous context is best classified as:
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MultiChoice
Which equation represents a line of best fit with a negative slope and positive y-intercept?
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MultiChoice
If x represents age of a car and y represents its value, which slope is expected for the best fit line?
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MultiChoice
What is the key characteristic of a linear model fit to scatter plot data?