Accuracy & Precision

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

This image is an example of...

• precision ONLY
• accuracy ONLY
• BOTH precision and accuracy
• NEITHER precision and accuracy 

Tags

NGSS.HS-PS2-1

NGSS.HS-PS4-1

Describe the accuracy and precision of the image

• Accurate and Precise
• Accurate and not precise
• Not Accurate and Precise
• not accurate and not precise

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

• Accuracy

• Precision

• Significant

• Estimate

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

A set of data are all close to each other, and they are close to the actual value.  This set of data can be described as...

• accurate
• precise
• both precise and accurate

Measurements: 24.9, 25.2, 25.1, 24.8

True Value: 25.0

These measurements are…

• Accurate, but not precise

• Precise, but not accurate

• Both precise and accurate

• Neither precise nor accurate

Measurements: 2.5, 14.5, 10.1, 45.3

True Value: 25.0

These measurements are…

• Accurate, but not precise

• Precise, but not accurate

• Both precise and accurate

• Neither precise nor accurate

What is the length?

• 7

• 7.7

• 7.70

• 7.700