Percent Error

Front

What is Percent Error?

Back

Percent Error is a measure of how inaccurate a measurement is, compared to the true value. It is calculated as the difference between the estimated value and the actual value, divided by the actual value, multiplied by 100.

Front

How do you calculate Percent Error?

Back

Percent Error = ((Estimated Value - Actual Value) / Actual Value) x 100

Front

If the estimated attendance at a game is 15,000 and the actual attendance is 12,500, what is the percent error?

Back

-16.67%

Front

What does a negative percent error indicate?

Back

A negative percent error indicates that the estimated value is greater than the actual value.

Front

If Bob estimates 230 attendees but 300 actually attend, what is the percent error?

Back

23%

Front

What is the formula for finding the absolute error?

Back

Absolute Error = |Estimated Value - Actual Value|

Front

If the estimated deer population is 17,600 and the actual count is 21,300, what is the percent error?

Back

21.02%

Front

What is the significance of percent error in real-world applications?

Back

Percent error helps to assess the accuracy of estimates and measurements in various fields such as science, engineering, and economics.

Front

If Zed estimated 350 chips but found only 210, what is the percent error?

Back

-40%

Front

What is the percent error if a student measures 12 cm but the actual length is 14.25 cm?

Back

18.75%