Which of the Following Yields a Simple Random Sample

question 135

Multiple Choice

Which of the following yields a simple random sample?

• A)All students in a class are grouped according to their gender.A random sample of 8 is selected from the males and a separate random sample of 7 is drawn from the females.
• B)The best 15 students,according to the opinion of the instructor,in a class are selected.
• C)The names of 50 students in a class are written on 50 different pieces of paper and put in a hat.The first 15 pieces of paper are selected blindly one at a time after shuffling the papers thoroughly and each of the selected pieces is placed back into the hat before the next piece is selected.
• D)All students in a class are divided into groups according to the rows that they are seated.One of the groups is randomly selected.

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Definitions:

Function

The specific purpose or role that an entity or a process serves within a larger system or organization.

Cost

The amount of money required to purchase something or the expense associated with creating or maintaining a service or product.

Supply Metrics

Measures and data used to assess the efficiency and effectiveness of a supply chain, including lead time, inventory levels, and order accuracy.

Efficiency

The ratio of useful output to total input, used to measure the effectiveness of a system, process, or machine in utilizing resources.