Question

In a poll of Mr. Briggs’s math class, 67% of the students say that math is their favorite academic subject. The editor of the school paper is in the class, and he wants to write an article for the paper saying that math is the most popular subject at the school. Explain why this is not a valid conclusion and suggest a way to gather better data to determine what subject is most popular.

Answer 1

This is not a valid conclusion because the data was not randomly collected from various classes in the school but from a particular class.

Collection of data for a research work

The collection of data for a research work should be done in such a way as to include a good number of the test subjects.

The sampling methods that can be used to gather better data include the following:

• Random sampling,

• Cluster sampling, and

• Systematic sampling methods.

These methods will ensure that a good number of the test subjects are included in the research work in order to form a valid conclusion.

Learn more about sampling methods here:

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