Accuracy, Precision, Percent Error

How confident are you with using the formula

• very confident

• Some what confident

• Confident

• Not confident.

• No idea how to use it

Tags

NGSS.HS-PS3-1

NGSS.HS-PS4-1

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

Tags

NGSS.HS-PS2-1

?

• 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%

Tags

NGSS.HS-LS2-2

NGSS.HS-LS3-3

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

The Handbook of Chemistry and Physics lists the density of a certain liquid to be 0.7988 g/mL. Taylor experimentally finds this liquid to have a density of 0.7925 g/mL. What was Taylor’s percent error?

• 0.7988g/mL

• 0.7925g/ml

• -7.887 % error

• 7.887 g/ml

An object accepted value has a mass of 35.0 grams. On Anthony’s balance, it weighs 34.85 grams. What is the percent error of his balance?

(a)