Percent Error

Mr. Boone estimates that it will take him 48 minutes to run 8 miles. It actually takes him 60 minutes. What was his percent error?

Ms. Meckley estimated 70 students would try out for the Cross Country team. This year, only 63 students tried out. What was her percent error?

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

Actual speed: 38 mph

Estimated speed: 35 mph

Ms. Daniels 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.

Jill estimates the weight of her cat to be 8 pounds. The actual weight of the cat was 10 pounds. Find the percent error.

The attendance for the basketball game was estimated to be 15,000 people but 10,000 people actually attended. What was the percent error?

The students measured length during a science experiment, they got 12 cm. But the actual measurement was 14.25 cm. What was the percent error? (Round to the nearest tenth)

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

Max 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 205 chips in that package. What was his percent error? (Round to the nearest tenth)