Accuracy & Precision

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

• Accuracy

• Precision

• Significant

• Estimate

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

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

This bullseye demonstrates...

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

You place a rock on the electronic balance an it measures a mass of 12.38 g. When you measure it again you get a mass of 12.56 g. Are your measurements accurate?

• Yes

• Not enough information to determine

• No

?

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

Tags

CCSS.5.NF.B.3

Which of the following best describes the image?

• Accurate and Imprecise

• Inaccurate and Imprecise

• Inaccurate and Precise

• Accurate and Precise

Which of the following sets of measurements is most precise and accurate?

• 24mL, 23mL, 23.9mL, 24.2mL

• 25mL

• 25mL, 20mL, 23mL

• 20mL, 20.5mL, 21mL, 20mL

You are using a balance to measure a weight that is 20g. You get the measurements of 17.5g, 18.1g, 17.8g, 18.8g. Which of the following best describes the accuracy and precision of your measurements?

• Your measurements are inaccurate and imprecise.

• Your measurements are accurate and precise.

• Your measurements are inaccurate and precise.

• None of these statements describe your set of measurements.