Percent of Error

Front

What is Percent of Error?

Back

Percent of Error is a measure of how inaccurate a measurement is, expressed as a percentage of the true value.

Front

How do you calculate Percent of Error?

Back

Percent of Error = |Estimated Value - Actual Value| / Actual Value × 100%.

Front

If the estimated value is 15,000 and the actual value is 12,500, what is the Percent of Error?

Back

20%.

Front

What is the Percent of Error if the estimated population is 17,600 and the actual count is 21,300?

Back

17.4%.

Front

Estimate the age of Will Ferrell as 52. If he is actually 56, what is the Percent of Error?

Back

7.1%.

Front

If you estimate the weight of a penny to be 1 gram and it actually weighs 2.5 grams, what is the Percent of Error?

Back

60%.

Front

Mr. Smith estimates it will take him 48 minutes to run 8 miles. If it actually takes him 60 minutes, what is his Percent of Error?

Back

20%.

Front

What does it mean if the Percent of Error is high?

Back

A high Percent of Error indicates a significant difference between the estimated and actual values, suggesting the estimate was inaccurate.

Front

What does it mean if the Percent of Error is low?

Back

A low Percent of Error indicates that the estimate is close to the actual value, suggesting a more accurate estimate.

Front

What is the absolute error?

Back

Absolute Error = |Estimated Value - Actual Value|.