Find the Number of Standard Deviations from the Mean

question 3

Multiple Choice

Find the number of standard deviations from the mean. Round your answer to two decimal places.
-The test scores on the Chapter 10 mathematics test have a mean of 52 and a standard deviation of 10. Andrea scored 86 on the test. How many standard deviations from the mean is that?

• A) 3.40 standard deviations below the mean
• B) 3.40 standard deviations above the mean
• C) 0.49 standard deviations above the mean
• D) 0.49 standard deviations below the mean

---

Definitions:

Pregnancy

The period during which a fetus develops inside a woman's uterus, usually lasting around 40 weeks from the last menstrual period to childbirth.

Health Care Provider

A professional who offers preventive, curative, promotional, or rehabilitative health care services in a systematic way to individuals, families, or communities.

Adolescent Behavior

Patterns of conduct or actions associated with individuals in the adolescence stage of development, typically characterized by rapid emotional and physical changes.

Psychosocial Development

The theory proposed by Erik Erikson that describes how individuals evolve emotionally and socially through a series of eight stages from infancy to adulthood.