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Advanced Placement Statistics (AP Statistics, AP Stat or AP Stats) is a college-level high school statistics course offered in the United States through the College Board's Advanced Placement program.

This course is equivalent to a one semester, non-calculus-based introductory college statistics course and is normally offered to juniors and seniors in high school.

In mathematics, a matrix (plural matrices) is a rectangular of numbers, symbols, or expressions, arranged in s and s.

For example, the dimensions of the matrix below are 2 × 3 (read "two by three"), because there are two rows and three columns:

Probability is the measure of the likelihood that an event will occur.

Probability is quantified as a number between 0 and 1 (where 0 indicates impossibility and 1 indicates certainty).

The higher the probability of an event, the more certain that the event will occur.

A simple example is the tossing of a fair (unbiased) coin.

Since the coin is unbiased, the two outcomes ("head" and "tail") are both equally probable; the probability of "head" equals the probability of "tail".

Since no other outcomes are possible, the probability is 1/2 (or 50%), of either "head" or "tail".

In other words, the probability of "head" is 1 out of 2 outcomes and the probability of "tail" is also 1 out of 2 outcomes, expressed as 0.5 when converted to decimal, with the above-mentioned quantification system.

This type of probability is also called a priori probability.

Educational technology is defined by the Association for Educational Communications and Technology as "the study and ethical practice of facilitating learning and improving performance by creating, using, and managing appropriate technological processes and resources".

Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.