A Chi-Square Statistic Is the Sum of the Squares of the Differences

question 42

True/False

A chi-square statistic is the sum of the squares of the differences between observed frequency and expected frequency divided by the expected frequency in each cell.

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Definitions:

Combination Code

A coding system used in healthcare that combines multiple aspects of a disease or condition into a single code.

Diagnosis

A physician’s determination of a patient’s condition, illness, or injury.

Procedure

A specific way of performing a task or a medical operation, which is designed to achieve a particular outcome.

Seventh Characters

In coding, these are additional characters used to provide more detail in diagnoses or conditions.