| A sampling method of gathering representative data from a group. As opposed to random sampling, quota sampling requires that representative individuals are chosen out of a specific subgroup. | |
| A graphed cluster of dots, each of which represents the values of two variables | |
| An inference about the future or about some hypothetical situation based on known facts and observations | |
| This of sample size n is one in which each set of n elements in the population has an equal chance of selection |