M1.3_Precision

In measurement, there is always a degree of uncertainty.

• True

• False

• I don't Know

• It is difficult

How CONSISTENT or close the numbers are regardless of to the actual value is the definition of .......

• accuracy

• target value

• uncertainty

• precision

Which Student is the most Precise?

• Alex

• Shandra

• Luis

• None of them

Which is the more precise measurement?

• 4 mL
• 4.3 mL
• None of them

• Both of them

Which is the more precise measurement?

• 4 mL

• 4.3 mL

• 4.30 mL

• 4.300 mL

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

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

• Accuracy
• Precision
• Error
• Extrapolation

Precision is defines as

• half the smallest division on an equipment

• 1/2 of an equipment

• 1/2

• None of them

The precision of a beaker with smallest division of 150ml is

• 150ml

• 75ml

• 50ml

• None of them

The precision of a measurement is shown by...

• the accuracy of the measurement.

• using scientific notation.

• using the SI system of measurement.

• the number of significant figures.