Which Factor Has the Greatest Positive Effect on Sleep Quality

question 24

Multiple Choice

Which factor has the greatest positive effect on sleep quality?

• A) Sleeping hours in synchrony with circadian rhythm
• B) Sleeping in a quiet environment
• C) Spending additional time in stage NIII of the sleep cycle
• D) Napping frequently during the day hours

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Definitions:

Chi-squared Distribution

A statistical tool used to compare observed data with data we would expect to obtain according to a specific hypothesis.

Sample

A subset of individuals or units from a larger population used to estimate characteristics of the whole population.

Population

The entire pool from which a sample is drawn for statistical analysis. It can include people, objects, or events depending on the study.

Variance

Measures the dispersion of a set of data points around their mean; mathematically, it is the average of the squared differences from the Mean.