Density, Percent Error, Precision, and Accuracy

How close a measurement is to the accepted value is called..

• Accuracy

• Precision

• Significant

• Estimate

When a measurement is repeatable and consistent it is said to have...

• High precision
• Low precision
• High accuracy
• Low accuracy

Tags

CCSS.6.RP.A.3D

This bullseye demonstrates...

• High Accuracy & High Precision
• High Accuracy & Low Precision
• Low Accuracy & High Precision
• Low Accuracy & Low Precision

?

• High Accuracy & High Precision
• High Accuracy & Low Precision
• Low Accuracy & High Precision
• Low Accuracy & Low Precision

Tags

CCSS.5.NF.B.3

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?

• 15.79%
• 18.75%
• 2.25%
• 18%

Tags

CCSS.6.RP.A.3C

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%

Jessie 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%

Tags

CCSS.6.RP.A.3C

Which of the following would best describe a situation where all measurements of a 1 gram object were off by exactly 15 grams?

• high accuracy, high precision

• low accuracy, high precision

• high accuracy, low precision

• low accuracy, low precision

In the density triangle, which variable goes on top (of the triangle)?

• volume

• density

• mass

• area

What can be calculated by comparing the accuracy of an experimental measurement to the accepted value?

• percent composition

• percent error

• percent daily value

• percent by mass