Presence/absence of Variables Typically Includes ______

question 7

Multiple Choice

Presence/absence of variables typically includes ______.

• A) two levels
• B) three levels
• C) four levels
• D) five levels

---

Definitions:

Arithmetic Mean

A measure of central tendency calculated by summing all the scores and dividing by the number of scores. See Mean.

Mode

The number that occurs most often in a collection of data.

Weighted Mean

An average in which each data point contributes to the final mean with a weight that reflects its importance or frequency.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution, with the mean, median, and mode being common examples.