The Only Way the Chi-Squared Test Statistic Can Be Zero

question 4

True/False

The only way the chi-squared test statistic can be zero is if the observed frequencies are all exactly the same as the expected frequencies.

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Definitions:

Ultraviolet Rays

A form of electromagnetic radiation with a wavelength shorter than that of visible light but longer than X-rays, capable of producing sunburn and contributing to skin cancer.

Nervous System

An extensive network of specialized cells that coordinates actions and sensory information by transmitting signals to and from different parts of the body.

Bone Density

The measurement of the quantity of mineral matter per square centimeter of bones, important for diagnosing osteoporosis.

Bone Density

The quantity of mineral matter per square centimeter of bones, important for diagnosing osteoporosis and assessing fracture risk.