| A | B |
| term | Each of the numbers in a sequence |
| sequence | a set of numbers in a particular order |
| arithmetic sequence | each term after the first term is found by adding some fixed number |
| arithmetic series | the sum of the terms of an arithmetic sequence |
| series | sum of the terms of a sequence |
| geometric sequence | each term after the first term is found by multiplying some fixed number |
| geometric series | sum of the terms of a geometric sequence |
| permutation | an arrangement of the elements of a set in a specific order |
| circular permutation | the number of ways to arrange something in a circle |
| event | a possible result or outcome |
| independent event | the probability of one event occurring is not affected by the outcome of the other event |
| dependent event | the occurrence of one event affects the occurrence of another |
| frequency | how often a given event takes place |
| probability | the ratio of favorable outcomes to total outcomes |
| mean | the sum of a set of numbers divided by the total number of elements |
| median | the middle number |
| mode | most frequently occurring number in the set |
| quartile | any of the three values that divide the distribution of an ordered set of data into four equal intervals |
| range | the difference between the largest and smallest values |
| deviation | the directed distance from each data value to the mean of the data |