What Is the Relationship Between the Mean Score on a Test

question 53

Multiple Choice

What is the relationship between the mean score on a test and the item p-values? The mean score is ___.

• A) independent of the p-values
• B) the sum of the p-values
• C) the average p-value minus the average discrimination value
• D) the average p-value plus the average discrimination value

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Definitions:

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A protein in red blood cells responsible for carrying oxygen from the lungs to the rest of the body.

Oxygen Level

The concentration of oxygen in the blood, an important indicator of respiratory and circulatory system health.

Lab Tests

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Hypovolemia

A medical condition characterized by a decrease in the volume of blood circulating in the body, often leading to shock if untreated.