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 difference between the estimated value and the actual value.

Front

How do you calculate percent error?

Back

Percent error = |(Estimated Value - Actual Value)| / Actual Value × 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

20%.

Front

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

Back

15.79%.

Front

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

Back

17.4%.

Front

Jessie estimates her cat's weight to be 8 pounds, but it is actually 10 pounds. What is the percent error?

Back

20%.

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

What does a high percent error indicate?

Back

A high percent error indicates a significant difference between the estimated value and the actual value, suggesting a poor estimation.

Front

What is the formula for finding the absolute error?

Back

Absolute error = |Estimated Value - Actual Value|.

Front

If a measurement is 50 units and the actual value is 45 units, what is the absolute error?

Back

5 units.