Which Statistical Method Should Be Selected in the Following Situation

question 16

Multiple Choice

Which statistical method should be selected in the following situation?
"Suppose a laboratory is interested in determining the prognostic ability of selected laboratory tests to predict patient outcomes following severe head trauma, based on a comparison of survivors versus non-survivors at predetermined times following the head trauma."

• A)t-test
• B)unpaired t-test
• C)paired t-test
• D)chi-square analysis

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Definitions:

Tibial Tuberosity

A protrusion on the tibia or shin bone where the patellar ligament attaches, prominent in the knee joint area.

Xiphoid Process

A small cartilaginous process of the lower part of the sternum which usually ossifies in the adult human.

Anterior Surface

The front or forward-facing side of a body or anatomical structure.

External Landmarks

Visible features on the body's surface used for anatomical orientation or medical reference.