A Random Sample of 25 Students Selected from the Student

question 2

Multiple Choice

A random sample of 25 students selected from the student body of a large university had an average age of 25 years and a standard deviation of 2 years. We want to determine if the average age of all the students at the university is significantly more than 24. Assume the distribution of the population of ages is normal. The test statistic is

• A) 1.96.
• B) 2.50.
• C) 1.65.
• D) .05.

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Definitions:

Sort Key

A field or set of fields used to determine the order in which data is sorted in a database or data structure.

Major Sort Key

The primary criterion used to organize data or records in order of importance or relevance.

Minor Sort Key

A secondary criterion used in sorting data, which is applied after the primary sort key to further organize the data when primary keys are identical.

Parameter Query

A type of database query that requires the user to input one or more parameters to execute the query and retrieve specific data.