A Marketing Firm Does a Survey to Find Out How

question 32

Multiple Choice

A marketing firm does a survey to find out how many people use a product. Of the one hundred people contacted, fifteen said they use the product. Identify the type of study used.

• A) Experiment
• B) Observational study

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Definitions:

Standard Deviation

A measure of the dispersion of a set of data from its mean, indicating how spread out the data points are.

Standard Deviation

A statistic that quantifies the amount of variation or dispersion of a set of data values.

Sample Size

The number of individual observations or data points used in a statistical sample.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values in a dataset, indicating how spread out the values are from the mean.