RESEARCH STUDY 2

question 28

Multiple Choice

RESEARCH STUDY 2.1: Charlotte is studying subliminal messages and weight loss.She is curious whether people will lose more weight if they hear subliminal messages that encourage weight loss ("don't eat that food," "you want to be thin," etc.) in the music on their iPods compared to people who do not have subliminal messages in their music.She studies 40 people and finds the following results: To understand whether the subliminal messages have an effect, Charlotte needs to consider which of the following cells in the chart?

• A) Only Cell A
• B) Only Cell B
• C) Only Cell C
• D) She must consider all of the cells.

Comprehend the assumptions underlying the usage of specific nonparametric tests for hypothesis testing.

Distinguish between different nonparametric tests and their applications.

Calculate and interpret the test statistics and p-values in nonparametric tests.

Understand the process and application of the Wilcoxon rank sum test.

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