Assume That a Sample Is Used to Estimate a Population

question 79

Multiple Choice

Assume that a sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the
given statistics and confidence level. Round the margin of error to four decimal places.
-95% confidence; n = 2388, x = 1672

• A) 0.0156
• B) 0.0206
• C) 0.0248
• D) 0.0184

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Definitions:

Stratified Random

This refers to a sampling method where the population is divided into subgroups (strata) that share similar characteristics, and a random sample is then drawn from each stratum.

Achievement Tests

Standardized tests designed to assess how much knowledge and skills a person has acquired in a specified area.

Haphazard Sampling

A non-systematic sampling method where items or individuals are selected randomly in an unplanned way, without any specific pattern.

Simple Random

A sampling method in which every member of a population has an equal chance of being selected for the sample.