Measurement Percent Error

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%

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

• 23%

• 33%

• 27%

• 37%

You estimate that you sent 135 texts last week but when you get the bill it was actually 108. 

• (135 - 108)/135 = 20%

• (135 - 108)/108 = 25%

• (108 - 135)/135 = -20%

• (108 - 135)/108 = -25%

Griffin was buying a birthday card, he thinks the price is $4.50, but the actual price is $4. What is his percent of error?

• 50%

• 0.5%

• 12.5%

• 0.125%

Litzy estimates that a piece of wood measures 5.5 cm. If it actually measures 5.62 cm, what is the percent error of Litzy's estimate?

• 2.13%

• 2.18%

• 12%

• 46.83%

An experimental measurement was taken of 10.4 mL and the actual measurement was 9.7 mL. What is the percent error? Round to the nearest tenth of a percent.

• 5.2%

• 9%

• 7.2%

• 8.8%

Shaun estimated that the attendance of a college hockey game was 3,000. The actual attendance was 2,712. What is the percent error of Shaun's estimate? Round to the nearest whole percent.

• 11%

• 9%

• 7%

• 6%

A student has a container with a volume of 2.5 liters. She estimates the volume to be 2.4 liters. By what percent is the student's estimate off?

• 2%

• 4%

• 6%

• 8%

A zookeeper predicted that the weight of a newborn lion would be 2.8 pounds. When the zoo's lion gave birth, the newborn weighed 3.5 pounds. What is the zookeeper's percent error?

• 20%

• 15%

• 25%

• 17%

Jeyson predicts that 227 students would attend the school dance. The actual number was 250. What is the percent error of Jeyson's prediction?

• 9.2%

• 8.8%

• 7.1%

• 10.5%