Given a Dataset Where R = -

question 16

Multiple Choice

Given a dataset where r = -.9, adding a new case where the value of x is high and the value of y is low is most likely to ______.

• A) increase the magnitude of the correlation
• B) decrease the magnitude of the correlation
• C) have no effect on the correlation
• D) skew the correlation

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Definitions:

Precapillary Sphincter

A band of smooth muscle that adjusts blood flow into capillaries mainly by contracting and relaxing, thereby regulating the passage of blood into tissues.

Lactate Production

Lactate production occurs during anaerobic respiration in muscles, where glucose is converted to lactate in the absence of sufficient oxygen, leading to muscle fatigue.

Venous Tone

The degree of constriction experienced by the veins, influencing the volume of blood held within venous reservoirs and blood pressure.

Medulla Oblongata

The lower portion of the brainstem that regulates vital functions, such as heart rate and breathing.