Which of the Following Yields a Simple Random Sample

question 4

Multiple Choice

Which of the following yields a simple random sample?

• A)All students in a class are divided into groups of 15.One student is randomly chosen from the 1st group,the remaining observations are every 15th student thereafter.
• 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 without replacing them back in the hat after shuffling the papers thoroughly.
• 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:

Deliberate Deception

Intentional conduct designed to mislead or deceive someone, often to gain an advantage or to avoid an obligation.

Substantial Evidence

Evidence that is adequate to support a conclusion or justify a decision, often used in legal and regulatory contexts to indicate a reasonable level of proof.

Hindsight Bias

The tendency to believe, after an event has occurred, that one would have predicted or expected the outcome, often referred to as the "I-knew-it-all-along" phenomenon.

Self-fulfilling Prophesy

A prediction that directly or indirectly causes itself to become true, by the very terms of the prophecy itself, due to positive feedback between belief and behavior.