When You Have Interval or Ratio Data Such as Age

question 31

Multiple Choice

When you have interval or ratio data such as age in years) what is typically the best measure of central tendency to use?

• A) range
• B) mode
• C) median
• D) mean

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Definitions:

Premenstrual Syndrome

Premenstrual syndrome (PMS) refers to a range of physical and emotional symptoms that many women experience in the week or two before their menstrual period.

Emotional PMS Symptoms

Emotional and behavioral symptoms associated with premenstrual syndrome, including mood swings, irritability, and depression.

Melatonin

A hormone that regulates sleep-wake cycles.

Circadian Rhythms

Biological processes that display an endogenous, entrainable oscillation of about 24 hours, regulating various bodily functions including sleep.