Interpolation in Statistics: Definition, Formula & Example


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What is interpolation?

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Using the interpolation formula, find the missing value for the middle set of data points:

(2,8) (3,?) (4,12)

2. What do the following represent within the interpolation formula?

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About this Quiz & Worksheet

This quiz and worksheet combo will help check your understanding of the lesson on interpolation in statistics, a statistical process to find or approximate data points. Practice problems assess your knowledge of this mathematical formula as well as your understanding of how to use interpolation to find missing values.

Quiz & Worksheet Goals

Use this printable worksheet and quiz to review the following objectives:

  • Define interpolation
  • Use the interpolation formula to solve practice problems
  • Identify parts of the interpolation formula

Skills Practiced

This quiz and worksheet allows you to test for the following skills:

  • Problem solving - use acquired knowledge to solve mathematical practice problems
  • Information recall - access the knowledge you've gained regarding the interpolation formula
  • Knowledge application - use your knowledge to answer questions about using interpolation to find values

Additional Learning

To learn more about statistical tools to find values, review the accompanying lesson, Interpolation in Statistics: Definition, Formula & Example. This lesson covers the following objectives:

  • Understand statistical formulas
  • Recognize when to use interpolation
  • Know how to use interpolation in a graph