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 (or theoretical) value and the actual (or experimental) 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 estimate 350 chips in a bag but find only 210, what is the percent error?

Back

Percent error = |350 - 210| / 210 × 100% = 66.67% (rounded to 67%).

Front

What is the percent error if you estimate 60 attendees but only 45 show up?

Back

Percent error = |60 - 45| / 45 × 100% = 33.33% (rounded to 33%).

Front

If you estimate your cat's weight to be 8 pounds but it is actually 10 pounds, what is the percent error?

Back

Percent error = |8 - 10| / 10 × 100% = 20%.

Front

What is the percent error if you guess Lebron James will score 35 points but he scores 28?

Back

Percent error = |35 - 28| / 28 × 100% = 25%.

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 estimate.

Front

What does a low percent error indicate?

Back

A low percent error indicates that the estimated value is close to the actual value, suggesting a good estimate.

Front

Why is it important to calculate percent error?

Back

Calculating percent error helps to assess the accuracy of measurements and estimates, which is crucial in scientific experiments and data analysis.