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, subtract the actual value from the estimated value, take the absolute value of the result, divide by the actual value, and then multiply by 100.

Front

If Bob estimates 230 attendees and the actual number is 300, what is the percent error?

Back

23%.

Front

Zed estimated 350 chips but found only 210. What is his percent error?

Back

67%.

Front

What is the formula for calculating percent error?

Back

Percent Error = |(Estimated Value - Actual Value)| / Actual Value * 100.

Front

If Heather measures 10.91 m/s² but the actual 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.

Front

If you guess Lebron James would score 35 points and he scores 28, what is your percent error?

Back

25%.

Front

What is the percent error if the estimated attendance is 15,000 and the actual is 12,500?

Back

20%.

Front

Why is it important to calculate percent error?

Back

Calculating percent error helps to assess the accuracy of measurements and estimates, which is crucial in scientific experiments and data analysis.