Which Factor Is Known to Affect Sleep? Select All That

question 9

Multiple Choice

Which factor is known to affect sleep? Select all that apply..

• A) Age
• B) Environment
• C) Lifestyle
• D) State of health
• E) Ethnicity

---

Definitions:

Confidence Interval

A range of values, derived from sample data, that is likely to contain the value of an unknown population parameter with a specified level of confidence.

Margin Error

The amount of error that one can expect in an estimate, often expressed as a plus-or-minus figure and used in statistical analysis to indicate confidence in results.

Confidence Level

The probability percentage that specifies how reliable a confidence interval is in statistical analysis.

Normal Distribution

A symmetric probability distribution characterized by a bell-shaped curve, where the mean, median, and mode of the distribution are equal.