Summarize the two ways variability is measured:*
Range: |
Standard deviation:*

Explanation:

The range is the simplest measure of variability to calculate but can be misleading if the dataset contains extreme values.

The standard deviation is the most robust measure of variability since it takes into account a measure of how every value in the dataset varies from the mean.

the electric field is a “force field” around a charged object that illustrates the direction the electric force would push an imaginary 

mass and volume are the answers you are looking for