A Simple Random Sample from a Process (An Infinite Population)

question 47

Multiple Choice

A simple random sample from a process (an infinite population) is a sample selected such that _____.

• A) each element selected comes from the same population
• B) each element is selected independently
• C) each element selected comes from the same population and each element is selected independently
• D) the probability of being selected changes

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Definitions:

Chi-Square Values

A measure in statistics that compares observed results with expected outcomes, used to determine if there are significant differences between groups.

Confidence Interval

A spectrum of numbers, generated from analyzing sample data, expected to cover the value of a not yet identified population trait.

Hypothesis Test

A statistical method that uses sample data to evaluate a hypothesis about a population parameter, determining whether there is enough evidence to reject the null hypothesis.

Rejection Region

In hypothesis testing, the range of values for which the null hypothesis is considered unlikely and is therefore rejected.