In real-world situations, it is recommended that each nominal category of an independent variable used in a t test has at least how many participants?
A)30
B)15
C)50
D)25

Question

Quizplus · Accepted Answer

For a t-test, it is commonly recommended to have at least 30 participants in each nominal category of an independent variable to satisfy the Central Limit Theorem for approximating a normal distribution, which helps in making the statistical analysis more reliable.

In Real-World Situations, It Is Recommended That Each Nominal Category