The results of a recent poll on the preference of voters regarding presidential candidates are shown below.
At 95% confidence, test to determine whether or not there is a significant difference between the preferences for the two candidates.
Definitions:
Abdominal Surgery
Surgical procedures involving the organs of the abdomen to treat diseases or injuries.
Serosanguineous Fluid
A combination of blood and serum, often seen in wound drainage, indicating a mix of clear and bloody fluid.
Vascular Response
The physiological reaction of the blood vessels to various stimuli, including changes in blood flow or pressure.
Experiencing Stress
The physical or emotional response to external or internal pressures or demands, often resulting in feelings of anxiety, pressure, or tension.
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