Measurement

Measurement—a way to describe the world with numbers

• Volume• Mass• Length• Time• Temperature

Estimation

• -a rough measurement of the size• Not exact and is based on

previous experience

Precision

• Describes how close measurements are to each other• Example: how close three sets of

data are to each other

Accuracy

• Comparing a measurement to the real, actual, or accepted value.

• Example: how close your clock is to the actual time