Line of best fit
What Line of best fit means in Physics A-Level, as defined for AQA.
Definitions of Line of best fit
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Reference: AQA
A straight line that must be checked to see if it passes through the drawn error bars.
A line whose consistency with the data can be judged using error bars.
Topics that use Line of best fit
- Limitation of physical measurements (AQA A-Level)
Related terms
- Absolute uncertainty
- Averaging
- Combination of absolute and percentage uncertainties
- Gradient and intercept
- Multiplication and division rule
- Percentage form
- Precision
- Random errors
Using Line of best fit in the exam
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