Hopkins Review Quiz

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 many sig figs are in 0.0045670?

• 8
• 4
• 5
• 7

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 many sig figs are in 730?

• 1
• 2
• 3
• 4

How many sig figs are in 927.0020?

• 4
• 3
• 6
• 7

How many significant figures does the following number have: 100.3

• 4
• 3
• 5
• 2

Examine the picture below and explain what it represents in terms of accuracy and precision

• 
• the picture on the left shows low accuracy and low precision. The picture on the right shows high precision but low accuracy

• the picture on the right shows low accuracy and low precision. The picture on the left shows high precision but low accuracy

• both circles show low precision

Students worked in teams to measure the length of an object. The actual length of the object was 7.0 cm.. Select the best choice that represents their data in terms of accuracy and precision

GROUP RESULTS

5.00 cm

5.01 cm

5.02cm

4.99 cm

5.00 cm

4.99 cm

• both accurate and precise

• only accurate

• only precise

• not accurate and not precise

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 having...

• good accuracy

• good precision

• both good precision and accuracy

• neither good precision nor good accuracy

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

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