Which of the Following Is Our Best Option If the Expected

question 86

Multiple Choice

Which of the following is our best option if the expected frequency for any cell i is less than five and we want to use Pearson's chi-square statistic in our experiment?

• A) We must choose another sample of five or more observations.
• B) We should use the normal distribution instead of the chi-square distribution.
• C) We should combine the cells such that each observed frequencyis five or more.
• D) We increase the number of degrees of freedom for the test by five.

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Definitions:

Type I Error

The mistake of rejecting the null hypothesis when it is actually true, often referred to as a "false positive."

Innocent Person

An individual who has not committed the crime or offense they are accused of.

Criminal Trial

A legal proceeding in which a person accused of committing a crime is tried in a court, judged, and then sentenced if found guilty.

Error Probability

The likelihood of making an incorrect decision or inference in a statistical test.