Can a Strong Generalization About a Group of Things Ever

question 9

Multiple Choice

Can a strong generalization about a group of things ever be based on a single instance?

• A)Yes, if there is good reason to think that the instance is representative of the whole group.
• B)Yes, if the instance is the only one available.
• C)Yes, if the generalization is already believed to be true by most people.
• D)No, because a single instance by itself never has any observable properties.
• E)No, because the instance will always be very different from other instances in the group.

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Definitions:

Tied Observations

Instances in data where two or more subjects have exactly the same value for a particular variable.

Null Hypothesis

A statement in statistical analysis that proposes there is no difference or effect, serving as the default position until evidence indicates otherwise.

Wilcoxon Rank Sum Test

A non-parametric statistical hypothesis test used to compare two independent samples, based on the ranks of their combined observations.

Standard Deviation

A tool to evaluate the distribution's breadth or heterogeneity of a set of data.