Unit 01: Accuracy and Precision

It is a measure of how close measurements come to each other when they are made in the same way

• Accuracy
• Precision
• Error
• Extrapolation

Based on the data in the table, which student has the most precise data?

• Student A
• Student B
• Student C
• Cannot be determined

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

• Accuracy

• Precision

• Significant

• Estimate

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-ETS1-1

Describe the accuracy and precision of the image

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

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

Tags

NGSS.MS-PS3-1

Which Student wrote the most precise measurement?

• Alex

• Shandra

• Luis

You are measuring length with a meter stick. However, you do not realize that the first 4.0 centimeters of the meter stick are missing because a hungry beaver made a snack of it earlier that day. The measurements you take with the meter stick will be

• Accurate, but imprecise

• Precise, but inaccurate

• Imprecise and inaccurate

• Accurate and precise

Which student is the most accurate if the density of the substance is 1.56 g/cm³?

• Student A

• Student B

• Student C