Accuracy vs. Precision Practice

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

• Accuracy

• Precision

• Significant

• Estimate

This bullseye demonstrates...

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

Tags

NGSS.MS-PS3-1

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

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

A set of data are not close to each other, but the average of the data is very close to the actual value.  This set of data can be described as...

• accurate
• precise
• both precise and accurate

A set of data are all close to each other, but they are not close to the actual value.  This set of data can be described as...

• accurate
• precise
• both precise and accurate

• Student A
• Student B
• Student C
• Cannot be determined

• Student A
• Student B
• Student C
• Cannot be determined

Tags

NGSS.MS-PS1-2

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

• Accuracy

• Precision

• Significant

• Estimate

Which Student is the most Precise?

• Alex

• Shandra

• Luis

Four instruments give the following masses (shown in parentheses) for the same object. The object’s acceptable mass value is 6.73 g. Which instrument is the most accurate?

• Instrument A (6.73g)

• Instrument B (6.7111 g)

• Instrument C (6.2513g)

• Instrument C (6.69455g)