Measurement Percent Error

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

• 16.67%

• 20%

• 2500%

• 80%

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?

• 15.79%

• 18.75%

• 2.25%

• 18%

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

• 21%

• 17.37%

• 17.4%

• 21.02%

An experimental measurement was taken of 10.4 mL and the actual measurement was 9.7 mL. What is ​ the percent error?

approximately ​ (a)  

• 7.2%

• 0.09%

• 6.7%

• 3.2%

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?

• 10%

• 6.5%

• 7%

• 8%

A zookeeper predicted that the weight of a newborn lion would be 3.6 pounds.
When the zoo’s lion gave birth, the newborn weighed 4.5 pounds.
What is the zookeeper’s percent error?

Mathematical Equivalence

ON

Answer explanation

Percent error = difference ÷ actual

The actual in this case is the 4.5 pounds

So... (4.5 - 3.6) ÷ 4.5 = 0.9 ÷ 4.5 = 0.2 or 20%

A water bottling company uses a machine to fill its 8-ounce bottles. A bottle passes inspection if the percent error of the amount of water in the bottle is 1% or less. Would a bottle that contains 7.95 ounces of water pass inspection?

 

A bottle of water that contains 7.95 ounces of water 1 ​​​ (a)   pass inspection.​

• would

• would not

The ratio that describes how far an estimate is from the actual amount

• Percent Error

• Percent Change

• Percent

Jan measured the temperature of the boiling water and got an experimental reading of 97.5 degrees Celsius. Water actually boils at 100 degrees Celsius. What is the percent error?

​ (a)   error

• 2.5%

• 0.03%

• 9.7%

• 0.97%

The student council estimated that they would have 250 people attend the homecoming dance. The number of people who attended was 315. What is the percent of error to the nearest hundredth percent? Type the answer in the blank up to the hundredth place value.

Mathematical Equivalence

ON