Random Sampling Makes a Sample Representative by Ensuring That __________

question 81

Multiple Choice

Random sampling makes a sample representative by ensuring that __________.

• A) the choice of the population being studied is arbitrary
• B) the questions have been standardized regardless of who is answering them
• C) everyone in the population has an equal probability of getting into the sample
• D) the questions people in the sample are asked varies in a random pattern

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Definitions:

Ordinal

Pertains to data classification where order matters but not the difference between values, such as rankings or ratings.

One-sample T-test

A statistical test used to determine if the mean of a single sample significantly differs from a known or hypothesized population mean.

Kruskal-Wallis Test

The Kruskal-Wallis Test is a nonparametric method for testing whether samples originate from the same distribution, used when the assumptions of the ANOVA are not met.

Parametric Counterpart

A statistical test or model that is based on assumptions about the parameters (e.g., mean, variance) of the population distribution from which the sample is drawn.