Find the Requested Mean or Standard Deviation

question 24

Multiple Choice

Find the requested mean or standard deviation.
-The mean score on the exit examination for an urban high school is 63 with a standard deviation of 7. What is the mean of the resulting distribution of sample means for n = 9?

• A)63
• B)7
• C)9
• D)21

---

Definitions:

Anencephaly

A severe congenital condition characterized by the absence of a major portion of the brain, skull, and scalp.

Sciatica

A condition characterized by pain that radiates along the path of the sciatic nerve, extending from the lower back through the hips and down one leg.

Malnourished

The condition of having an inadequate or unbalanced diet, leading to health problems and nutritional deficiencies.

Cognitive Development

The process of growth and change in intellectual capabilities, influencing how one perceives, thinks, and understands the world.