Accuracy, Precision & Percent Error

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

• Accuracy

• Precision

• Error

This targeting shows:

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

Which student had the MOST ACCURATE results?

• Ash

• Casey

• Blake

Describe the accuracy and precision of the image

• Both accurate and precise

• Accurate but not precise

• not accurate and not precise

Tags

NGSS.MS-PS1-2

This targeting shows:

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

Tags

NGSS.MS-PS1-2

NGSS.MS-PS3-1

This term describes how close data values are to EACH OTHER

• Accuracy
• Precision
• Error

Which student's data is the MOST PRECISE?

• Student A
• Student B
• Student C

Which student's data is the MOST ACCURATE?

• Student A
• Student B
• Student C

In science, a percent error of _______ or less is considered accurate

• 10%

• 100%

• 5%

• 50%

In our "percent error" equation, the EXPERIMENTAL value is:

• The value the scientist got from the experiment

• The accepted/target value