You Plan to Draw a Sample of 1,000 from the Population

question 13

Multiple Choice

You plan to draw a sample of 1,000 from the population of a large state in order to estimate the average value of individual life insurance coverage. A list of all state residents and their incomes is available from the state revenue department. Which sampling design will minimize sampling error?

• A) a simple random sample, using a computer program to generate random numbers
• B) a proportionate stratified random sample, using income categories as strata
• C) a multistage cluster sample, using counties as clusters
• D) a quota sample, with quotas set on the basis of income

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Definitions:

Average Intelligence

The level of cognitive ability or IQ that is considered to be in the middle range of the population.

Predicts

The act of forecasting future events or conditions based on current or past data, patterns, or observations.

Validity

The extent to which a test measures or predicts what it is supposed to.

G Factor

A concept in psychology that refers to the general intelligence factor believed to underlie all cognitive abilities.