If We Use the X² Method of Analysis to Test

question 62

Multiple Choice

If we use the X² method of analysis to test for the differences among 4 proportions, the degrees of freedom are equal to

• A) 3.
• B) 4.
• C) 5.
• D) 1.

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Definitions:

Equal-variances Test Statistic

A statistical method used to assess whether the variances of two populations are equal as part of comparing their means.

Confidence Interval Estimator

A statistical tool used to estimate the range within which a population parameter lies, with a certain confidence level.

Independent Samples

Samples that are collected from different populations, ensuring that the observations in one sample do not influence or have any relationship with those in the other.

Registered Democrats

Individuals who have officially recorded their preference or affiliation with the Democratic Party, typically in the context of the United States.