Percent Error Range

Zed went to the store and bought a bag of chips.  He estimated there would be 350 chips in the package, but realized there were only 210 chips in that package.  What was his percent error?

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

The students measured length during a science experiement, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error?

Bob estimates that there will be 230 people who attend the concert.  There was an actual total of 300 people who attended.  Find the approximate percent error.  

The distance around a neighborhood is 6 miles. When Sam clocked it with an odometer, the distance was 5.52 miles.

What is the percent error of the clocking?

Amari measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm. What is the percent error of Amari's measurement?

The attendance for the basketball game was estimated to be 15,000 people but 12,500 people attended. What was the percent error?

Amari measured the length of a pen to be 22 cm. The actual length of the pen is 23 cm. What is the percent error of Amari's measurements?

The deer population is estimated to be 17,600 in northern Illinois, but an actual count was 21,300. What is the percent error?

Find the percent error. Round to the nearest tenth of a percent.

Actual speed: 38 mph

Estimated speed: 35 mph