For Sample Sizes Greater Than 30, the Sampling Distribution of the Mean

question 4

Multiple Choice

For sample sizes greater than 30, the sampling distribution of the mean will be approximately
Normally distributed

• A) regardless of the shape of the population.
• B) only if the shape of the population is symmetrical.
• C) only if the standard deviation of the samples are known.
• D) only if the population is normally distributed.

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Definitions:

First-Cousin Marriage

A marriage between individuals who have one set of grandparents in common, legally and culturally allowed in some societies but prohibited in others.

Birth Defects

Physical or biochemical abnormalities present from birth, which can cause physical or mental disabilities.

Infant Mortality

The death rate of infants under one year of age, a significant indicator of health care quality in a region.