Why Do Researchers Often Make Use of Samples

question 7

Multiple Choice

Why do researchers often make use of samples?

• A) They often make surveys cheaper and easier
• B) They generate better data
• C) The results are more accurate
• D) Managers are only interested in a few people's views

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Definitions:

Population Mean

The average value of all the elements in a population, which is the total sum of all values divided by the number of values.

Margin of Error

A measure of the accuracy of a public opinion poll, representing the extent to which the results could vary from the true population values.

Sample Size

The count of observations or duplicates that are part of a statistical sample.

Quality Control

The process of ensuring that products and services meet consistent standards and requirements through various checks and measures.