percent error

Front

What is percent error?

Back

Percent error is a measure of how inaccurate a measurement is, expressed as a percentage of the actual value. It is calculated using the formula: Percent Error = |(Estimated Value - Actual Value)| / |Actual Value| * 100.

Front

How do you calculate percent error?

Back

To calculate percent error, use the formula: Percent Error = |(Estimated Value - Actual Value)| / |Actual Value| * 100.

Front

If Griffin thinks a card costs $4.50 but it actually costs $4, what is his percent error?

Back

12.5%

Front

An archaeologist estimated a fossil's age at 520 years, but it was actually 500 years old. What is the percent error?

Back

4%

Front

Sam thinks a book costs $50, but it actually costs $56. What is his percent error?

Back

10.7%

Front

You guessed the Chicago Cubs would win 95 games, but they won 103. What is your percent error?

Back

7.8%

Front

Heather measures an object's acceleration as 10.91 m/s², but the actual acceleration is 9.80 m/s². What is her percent error?

Back

11.33%

Front

What does a percent error of 0% indicate?

Back

A percent error of 0% indicates that the estimated value is exactly equal to the actual value, meaning there is no error.

Front

What is the significance of a high percent error?

Back

A high percent error indicates a significant difference between the estimated value and the actual value, suggesting a possible error in measurement or estimation.

Front

What is the significance of a low percent error?

Back

A low percent error indicates that the estimated value is close to the actual value, suggesting a more accurate measurement or estimation.