Accuracy and Precision Science Lab

?

• 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 

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

This bullseye demonstrates...

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

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

Which of these would be best for measuring 22ml?

• 5ml

• 10ml

• 50ml

• 100ml

Which of these would be best for measuring 2.5ml?

• 5ml

• 10ml

• 50ml

• 100ml

Which of these would be best for measuring 70ml?

• 5ml

• 10ml

• 50ml

• 100ml

Which of these would be best for measuring 4ml?

• 5ml

• 10ml

• 50ml

• 100ml

What is the volume of the liquid?

• 20ml

• 21ml

• 22ml

• 200ml