How to Accurately Perform Basic Error Analysis


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question 1 of 3

You are measuring the length of a table using a meter stick. After measuring the table, you notice that the end of the meter stick is broken off just below the 3 cm mark. What kind of error is this likely to introduce in your measurement?

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1. What should you do to mitigate the effects of random error?

2. You measure the mass of piece of gold to be 45.8 g, but the true value is 48.0 g. What is the percent error?

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About This Quiz & Worksheet

These interactive study tools will gauge how much you know about accurate basic error analysis. Concepts for the quiz include an error in a type of measurement and how to minimize the effects random error.

Quiz & Worksheet Goals

This worksheet and quiz will assess you on the following:

  • Percent error
  • Accepted value and the integrity of a measurement that repeats
  • Measurements that are accurate

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information from the related lesson on accurate basic error analysis
  • Interpreting information - verify that you can read information regarding random error and interpret it correctly
  • Information recall - access the knowledge you've gained regarding accurate measurements

Additional Learning

Students can learn more about the complexities of measurements with the lesson called How to Accurately Perform Basic Error Analysis. These subjects will be covered in detail:

  • Why it's necessary to understand error analysis
  • Parallax error
  • Calculating percent error
  • An example of measuring the temperature of water