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:

Tiny Telescope

A very small optical instrument designed to magnify distant objects, often for casual or specific observational purposes.

Polyp

A tumor with a pedicle, especially on mucous membranes, such as in the nose, rectum, or intestines.

Mucosal Membrane

Moist tissue layer lining body cavities or passages that are open to the exterior, such as the mouth, nose, and intestines.

Upper Epithelial Cells

The cells that are located on the surface layer of an epithelium, acting as a barrier against physical and microbial threats.