Percent Error

Front

What is Percent Error?

Back

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

Tags

CCSS.6.RP.A.3C

Front

How do you calculate Percent Error?

Back

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

Front

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

Back

Percent Error = (|350 - 210| / 210) x 100% = 67% (negative indicates underestimation).

Tags

CCSS.6.RP.A.3C

Front

Mr. Nacerino estimated 48 minutes for 8 miles but took 60 minutes. What is his percent error?

Back

Percent Error = (|48 - 60| / 60) x 100% = 20%.

Tags

CCSS.6.RP.A.3C

Front

What does a negative percent error indicate?

Back

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

Tags

CCSS.6.RP.A.3C

Front

If the estimated attendance was 15,000 but only 12,500 attended, what is the percent error?

Back

Percent Error = (|15000 - 12500| / 15000) x 100% = 20% (negative indicates underestimation).

Tags

CCSS.6.RP.A.3C

Front

Jessie estimated her cat's weight at 8 pounds, but it was actually 10 pounds. What is the percent error?

Back

Percent Error = (|8 - 10| / 10) x 100% = 20%.

Tags

CCSS.6.RP.A.3C

Front

Bob estimated 200 concert attendees, but 300 actually attended. What is the percent error?

Back

Percent Error = (|200 - 300| / 300) x 100% = 33%.

Tags

CCSS.6.RP.A.3C

Front

What is the significance of Percent Error in real-life applications?

Back

Percent Error helps assess the accuracy of estimates and predictions in various fields such as science, engineering, and economics.

Tags

CCSS.6.RP.A.3C

Front

What is the difference between absolute error and percent error?

Back

Absolute error is the difference between the estimated and actual values, while percent error expresses this difference as a percentage of the actual value.

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2