Standard 1 Test Review - Conceptual Chemistry

Give an example of qualitative data

• Height of a building

• Weight of a person

• Color of a flower

• Temperature of a room

These kind of observations are made using instruments such as rulers, balances, and thermometers.

• Qualitative

• Quantitative

• Both

If the actual/correct value is 100mL, would you consider the following data to be accurate and/or precise?

• *101 mL, 102 mL, 99mL

• Both

• Accurate

• Precise

• Neither

If the actual/correct value is 100mL, would you consider the following data to be accurate and/or precise?

• *110 mL, 112 mL, 113mL

• Both

• Accurate

• Precise

• Neither

If the actual/correct value is 100mL, would you consider the following data to be accurate and/or precise?

• *120 mL, 90 mL, 109mL

• Both

• Accurate

• Precise

• Neither

What would these data points be considered?

• Accurate

• Precise

• Both

• Neither

What would these data points be considered?

• Accurate

• Precise

• Both

• Neither

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...

• Accurate

• Precise

• Both Precise and Accurate

Volume?

• 63.5 mL
• 63 mL
• 63.55 mL
• 6 mL

which recorded measurement is correct?

• 14.2g

• 142g

• 142.0g

• 124.0g