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 value is 15,000 and the actual value is 12,500, what is the percent error?

Back

Percent error = |(15,000 - 12,500)| / 12,500 × 100% = 20%.

Front

If you estimated that the Chicago Cubs would win 95 games but they won 103, what is the percent error?

Back

Percent error = |(95 - 103)| / 103 × 100% = 7.8%.

Front

What is the percent error if you estimated 350 chips in a bag but found only 210?

Back

Percent error = |(350 - 210)| / 210 × 100% = 67%.

Front

If you think a birthday card costs $4.50 but it actually costs $4, what is the percent error?

Back

Percent error = |(4.50 - 4)| / 4 × 100% = 12.5%.

Front

What is the percent error if you expected $60 for your birthday but only received $40?

Back

Percent error = |(60 - 40)| / 40 × 100% = 50%.

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 is the significance of a high percent error?

Back

A high percent error indicates a large discrepancy between the estimated value and the actual value, suggesting a significant error in estimation.

Front

What is the significance of a low percent error?

Back

A low percent error indicates that the estimated value is close to the actual value, suggesting a more accurate estimation.