A Test for Independence Is Applied to a Contingency Table

question 4

True/False

A test for independence is applied to a contingency table with 4 rows and 4 columns. The degrees of freedom for this chi-square test must equal 9.

---

Definitions:

Arousal Level

The state of being physiologically alert, awake, and attentive; arousal levels can impact cognitive processes and performance on tasks.

Simple Task

A task that requires a limited amount of cognitive processing or physical effort, making it easy to complete without extensive skill or knowledge.

Stimulus Motives

Drives that are unlearned and arise from basic biological needs or natural instincts.

Sudoku Puzzles

Logic-based, combinatorial number-placement puzzles where the objective is to fill a 9x9 grid with numbers so that each column, row, and each of the nine 3x3 subgrids contain all of the digits from 1 to 9.