Your Instructor Is Interested in Determining Whether Students Perform Better

question 71

Multiple Choice

Your instructor is interested in determining whether students perform better when working in work groups or alone.He takes the scores of a group of students that studied and took the tests alone and compares them to a group of students who studied and took the test together.The group that worked individually is known as a

• A)cohesive group.
• B)polarized group.
• C)nominal group.
• D)Ringelmann group.

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Definitions:

Z Test

Utilized to check for differences in the means of two populations, this statistical test requires that variances are known and that there is a considerable sample size.

Group 1

Typically refers to the first group or category in a study or classification system.

Sample Survey

A method used to gather information and data from a subset of a population to make inferences about the whole population without examining every individual.

Frequency Table

A tabular representation of the number of occurrences of each distinct value in a dataset.