In Testing the Difference Between the Means of Two Independent

question 42

True/False

In testing the difference between the means of two independent populations, if neither population is normally distributed, then the sampling distribution of the difference in means will be approximately normal, provided that the sum of the sample sizes obtained from the two populations is at least 30.

---

Definitions:

Muscles Relaxed

A state where muscles are at rest or in a reduced state of tension, often associated with relaxation techniques or responses.

Brain Active

The state of being engaged in mental activity or cognitive functions, such as thinking, learning, or processing information.

REM Sleep

A phase of sleep characterized by rapid eye movements, dreaming, and increased brain activity.

Sleep Study

A diagnostic test that records bodily activities during sleep to identify and evaluate sleep disorders.