Percent Error - Definition & Examples
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- (Video) Relative Error and Percent Error Kevin Dorey This video by Kevin Dorey discusses a real world application of percent error. Summary\large{\text{Summary}}Summary Imagine …
By Michael Li, Alex Federspiel, Joshua Siktar, Amy Feraco, Jonathan Heller, Anusha Rahman
- (Video) Error and Percent Error by Tyler DeWitt Tyler DeWitt has a video that not only explains percent error, but also talks about how it differs from normal error and percent …
By Ben Ferrara, Alex Federspiel, Joshua Siktar, Amy Feraco, Anusha Rahman, Gabi Slizewska
- Calculating Percent Error In your everyday life, it's pretty common to make estimates of values rather than taking the time or brainpower to use exact ones. If someone asks you …
By Hannah Bonville, Alex Federspiel, Joshua Siktar, Jonathan Heller, Anusha Rahman
- Percent Error Percent error (PE), also known as percentage error or absolute error, compares an experimental, approximated, or estimated value to a theoretical, actual, or known…
By Caroline K, Alex Federspiel, Anusha Rahman, Gabi Slizewska
Problems 24
- When packaging food, there is a percent error it has to fall in. A 111 lb bag of chips has to fall within a 5%5\%5% error to be acceptable. If a bag of chips is 15.115.115.1 oun…
- In 240240240 B.C., over 225022502250 years ago, Eratosthenes was the first person to calculate the circumference of the Earth. Due to not knowing exactly what units he used, Era…
- What is the percent error when someone says a mile is about 500050005000 feet when it is actually 528052805280? Round your answer to the nearest tenth of a percent.
- Maria calculates that if she sends a 4.34.34.3 lb package to Susan in the mail that she wouldn't exceed the shipping company's 656565 oz limit. What is the percent error of her …
- Julian and Ralph are measuring the length their pet frog can jump. Julian measures that the frog can jump 414141 inches at a time, while Ralph measures the same jump at 3.23.23.…
- Rebecca gets a 21%21\%21% error when she estimates the number of centimeters in an inch. Given that her estimate was too high and that there are 2.542.542.54 cm in an inch, what…
- Jeff guesses that his dog runs at a speed of 22 miles per hour. His percent error, however, is 13%. Identify the possible speeds at which Jeff's dog can run.
- Calculate the percent error between a measured value of 1,2091,2091,209 g and a theoretical value of 1,2621,2621,262 g.
- The theoretical yield of a specific chemical reaction is 0.2300.2300.230 g. The actual yield for a chemist comes out to be 0.1960.1960.196 g. What is the percent error for this …
- Two students are given an object with a mass of exactly 212121 g. Student One estimates the object's mass to be 20.320.320.3 g. Student Two guesses that the mass is 21.721.721.7…
- Helen states that there are approximately 303030 g in an ounce. However, there are actually 28.3528.3528.35 g in an ounce. What is her estimated percent error?
- You weigh an object and the scale reads 45.445.445.4 pounds. However, if you know that the scale always overestimates with an error of 12%12\%12% error, what is the object's act…
- You underestimate the width of your computer screen to be 12.712.712.7 inches. If your error is 2.31%2.31\%2.31%, what is the actual width of the screen?
- Given a measured value of 141.6141.6141.6 g and an actual value of 126.8126.8126.8 g, calculate the percent error.
- Given a measured value of 14.114.114.1 oz and an actual value of 16.516.516.5 oz, calculate the percent error.
- If Nathan recovers 7.87.87.8 g of copper, what was his grade?
- Dave guesses the number of meters in a yard. Given that there are 0.910.910.91 meters in one yard and that Dave gets an 89%89\%89% error due to guessing too high, what was Dave'…
- Julia guessed an object to be 909090 kg. What was her percent error if the object was actually 565656 kg?
- According to President Trump 1.5 million people showed up to his inauguration. In actuality it was reported to between 250,000 and 600,000. Since it's Presidential Joke Day, it'…
- If Dan's measurement is the true length of the sandwiches, what is the percent error of the advertisement? Round to the nearest tenth of a percent.
- The fastest car ever recorded at the Indianapolis 500500500 was recorded at 237.498237.498237.498 miles per hour. Let's say a rookie driver is only able to get up to a measly 20…
- Chris, Brandon and Libby are watching award-winning cows in a pasture. They all bet each other 101010 dollars that they can guess the correct number of cows in the pasture. Chri…
- Caleb guesses that there are 202020 prime numbers between 111 and 100.100.100. Rosa correctly tells him that there are actually 252525 prime numbers between 111 and 100.100.100.…
- There are exactly 2,0162,0162,016 students attending Central Mellon University. Joe and Lisa both made estimates of the number of students attending CMU and each had a percent e…