Dr Ean Wants to Determine Whether Mood Responses from Participants

question 49

Multiple Choice

Dr. Ean wants to determine whether mood responses from participants in different colored rooms differed from one another. He is mostly interested in determining if participants' moods differed in the yellow room compared with both the red and blue rooms as a whole. Dr. Ean is interested in conducting a(n) :

• A) ANOVA.
• B) one-way ANOVA.
• C) chi-square.
• D) matched samples test.

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Definitions:

Independent Sample Variances

Variability measures of two or more independent samples, analyzed to understand difference across populations.

F Distribution

A probability distribution that arises in the analysis of variance tests, used to calculate and interpret the ratio of variances to determine statistical significance.

Null Hypothesis

A statement used in statistics that proposes there is no significant difference or effect and that any observed differences are due to chance.

Population Variance

Population Variance is a measure of the dispersion of all the values in a population from the mean, highlighting how spread out the population data points are.