Exercise
Form 6: Line of Best Fit Basics
Learn the fundamentals of modeling linear relationships by placing lines of best fit on scatter plots.
Questions
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MultiChoice
What is a line of best fit (trend line)?
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MultiChoice
When drawing a line of best fit by hand, what balance should be aimed for?
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MultiChoice
Must a line of best fit pass through the origin (0,0)?
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MultiChoice
Which equation form represents a linear line of best fit?
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MultiChoice
In a positive association, the line of best fit will have a:
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MultiChoice
In a negative association, the line of best fit will have a:
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MultiChoice
If data shows no association, a fitted line would have approximately:
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MultiChoice
What is the primary purpose of constructing a line of best fit?
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MultiChoice
How do you find the slope of a line of best fit from its graph?
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MultiChoice
Which line best models data: Line A (above all), Line B (centered), Line C (vertical)?
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MultiChoice
If almost all data points lie directly on the line of best fit, this means:
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MultiChoice
A line of best fit is an appropriate tool only when data shows a: