Derrick Is Conducting a Stratified Sampling Procedure

question 38

Multiple Choice

Derrick is conducting a stratified sampling procedure. His target sample is 250 from a population of 489 high school algebra students within a particular district. He wants to ensure he has the appropriate representation of students from at each ability level. Next he will

• A) identify and define the population.
• B) determine desired sample size.
• C) classify all members of the population as members of the subgroups.
• D) randomly select an appropriate number of individuals to represent the subgroups.

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Definitions:

Transmission Fluid

A lubricating and cooling fluid used in vehicle transmission systems to ensure smooth gear shifts and operation.

Certify Technicians

The process of officially recognizing technicians as qualified professionals in their field after they meet certain criteria or pass specific exams.

ASE

Stands for the National Institute for Automotive Service Excellence, an organization that certifies automotive professionals and shops.

Repair Skills

Abilities and expertise required to diagnose, fix, and maintain equipment, vehicles, or systems, ensuring their proper function.