In Order to Estimate the Results in a Local Election,a

question 221

Multiple Choice

In order to estimate the results in a local election,a pollster contacts a select group of people and asks them how they voted.The pollster is using which of the following research methods?

• A) correlational research
• B) survey research
• C) a case study
• D) naturalistic observation

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Definitions:

Standard Normal

A normal distribution with a mean of 0 and a standard deviation of 1.

Random Variable

A random variable represents numerical outcomes of random phenomena or experiments, varying in value based on the outcomes of the process.

Standard Normal Distribution

A probability distribution that has a mean of 0 and a standard deviation of 1, representing a bell-shaped curve.

99th Percentile

A value below which 99% of the data points in a data set fall, used as a measure of statistical distribution.