Percent Error

Percent Error

Unit 4

Multiple Choice

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?

• 20%

• 12%

• 25%

• 8%

Multiple Choice

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?

• 11%

• 50%

• 12%

• 1%

Multiple Choice

An archaeologist estimated that a fossil was 520 years old. It was actually 500 years old. What was the percent error?

• 4%
• 20%
• 3.8%
• none of these

Multiple Choice

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

Actual speed: 38 mph

Estimated speed: 35 mph

• 8.1%

• 0.79%

• 7.9%

• 6.8%

Multiple Choice

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.

• 23%

• 33%

• 27%

• 37%

Multiple Choice

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

• 15%

• 20%

• 25%

• 30%

Multiple Choice

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

• 50%

• 5%

• .5%

• .05%

Multiple Choice

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)

• 15.8%

• 18.8%

• 2.3%

• 18%

Multiple Choice

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)

• 21%

• 17.37%

• 17.4%

• 21.02%

Multiple Choice

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)

• 71%

• 70.7%

• 70.73%

• 70%