What Is the Degree of Body Rotation for the PA

question 52

Multiple Choice

What is the degree of body rotation for the PA oblique projection of the esophagus?

• A) 20 degrees
• B) 30 degrees
• C) 20 to 30 degrees
• D) 35 to 40 degrees

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Definitions:

Population Parameter

A numerical value that summarizes or describes an aspect of a population.

Point Estimate

A single value (or point) derived from a sample that best predicts or estimates an unknown population parameter.

Population Proportion

The fraction or percentage of individuals in a population who possess a specific attribute or characteristic.

Unbiased Estimator

An attribute of an estimator that ensures the expected value of the estimate equals the parameter being estimated.