When Cynthia Enters a Grocery Store, There Are Three Simple

question 78

Multiple Choice

When Cynthia enters a grocery store, there are three simple events: buy nothing, buy a small amount, or buy a large amount. In this situation, if Cynthia buys a small amount, she cannot also buy a large amount or buy nothing. Thus the three events are:

• A) mutually exclusive
• B) not mutually exclusive
• C) dependent events
• D) independent events
• E) none of these

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Definitions:

Wilcoxon Signed Rank Test

A non-parametric statistical test used to compare two paired groups to find out if their population mean ranks differ.

Triglyceride Levels

The concentration of triglycerides, a type of fat found in your blood, which is an indicator of heart health and metabolic function.

Null Hypothesis

In statistics, it is the default or initial presumption that there is no effect or no difference, often symbolized as H0.

Alternative Hypothesis

A statistical hypothesis that proposes a difference or effect, in contrast to the null hypothesis which suggests no effect or relationship.