Precision vs Accuracy

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

NGSS.MS-PS2-5

NGSS.MS-PS3-1

This image is an example of...

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

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

Match the following

• data

• A research method in which an investigator manipulates one independent variable to observe the effect on a dependent variable.

• investigation

• a procedure carried out to gather data about an object or event

• experiment

• A summary based on evidence or facts

• analyze

• examine data or observations methodically in detail in order to explain or interpret.

• conclusion

• evidence; information gathered from observations

Tags

NGSS.MS-PS1-2