Which of the Following Yields a Cluster Sample

question 190

Multiple Choice

Which of the following yields a cluster 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)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 selected from the females.
• 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.

---

Definitions:

Standard Deviation

A statistical metric that quantifies the spread or dispersion of a dataset relative to its mean, showcasing variability.

Annual Snowfall

The total amount of snow that falls within a specific geographic area over the course of a year.

Mean

The average of a data set, found by adding all the numbers together and dividing by the quantity of numbers.

Standard Deviation

A measure of the amount of variation or dispersion in a set of values, indicating how much the individual values differ from the mean of the values.