6.2.14

Scatter Graphs - Predictions

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Scatter Graphs - Making Predictions

The line of best fit can be used to make predictions.

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Interpolation

  • Making predictions based within the range of the original data is called interpolation.
  • It is more reliable than extrapolation because we know the pattern of data in this range.
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Extrapolation

  • You can make predictions outside the range of data by extending the line of best fit.
  • This is called extrapolation.
  • Extrapolation is less reliable than interpolation because we cannot be sure the same pattern occurs in data outside our range.

Jump to other topics

1Number

1.1Using Numbers

1.2Fractions, Decimals & Percentages

1.3Powers & Roots

1.4Accuracy

2Algebra

2.1Introduction to Algebra

2.2Manipulating Algebra

2.3Proofs & Functions

2.4Straight Line Graphs

2.5Common Graphs

2.6Transformations & Tangents

2.7Properties of Graphs

2.8Solving Equations

2.9Inequalities

2.10Sequences

3Ratio

4Geometry

4.1Introduction to Geometry

4.2Triangles & Quadrilaterals

4.3Transformations

4.4Circle Basics

4.5Circle Theorems

4.6Measurements & Units

4.7Calculating Area

4.8Triangle Formulae

4.93D Shapes

4.10Vectors

5Probability

6Statistics

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