Which of the Following Yields a Simple Random Sample

question 68

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:

Warm Chocolate Milk

A comforting beverage made by mixing hot milk with chocolate or cocoa powder, often enjoyed for its soothing and sweet taste.

Daytime Nap

A short period of sleep taken during the day to supplement the main sleep period, often to relieve drowsiness and improve alertness.

Circadian Sleep Rhythm

The natural, internal process that regulates the sleep-wake cycle, repeating roughly every 24 hours.

Basal Metabolic Rate

The speed at which the body consumes energy to support essential activities like breathing and staying warm when it is at rest.