Ch 2 Lesson 2 Math in Science

Which is NOT a math skill used in science?

• estimation

• portion size

• accuracy

• significant figures

An approximation of a number based on reasonable assumptions

• estimate

• accuracy

• precision

• significant figures

How close a measurement is to the true or accepted value

• precision

• significant figures

• estimate

• accuracy

How close a group of measurements are to each other

• precision

• accuracy

• estimate

• significant figures

Include all digits measured exactly, plus one estimated digit

• precision

• accuracy

• estimate

• significant figures

Calculations that show how accurate an experimental value is

• percent error

• mean

• median

• range

The numerical average of a set of data

• mean

• median

• mode

• range

To find the ______, add up all of the data, then divide by the total number of items you added.

• mean

• median

• mode

• range

The middle number of a set of data

• mean

• median

• mode

• range

To find the ________, list all of the numbers in order from least to greatest and find the middle entry.

• mean

• median

• mode

• range