Given the Least Squares Regression Line ,And a Coefficient

question 230

Multiple Choice

Given the least squares regression line ,and a coefficient of determination of 0.81,the coefficient of correlation is:

• A)−0.66
• B)0.81
• C)−0.90
• D)0.90

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Definitions:

Tracheostomy

A surgical procedure to create an opening through the neck into the trachea to provide an airway.

Impaired Gas Exchange

A condition where there is a problem with the transfer of oxygen and carbon dioxide through the respiratory membrane.

Airway Clearance

Techniques and therapies designed to remove mucus and secretions from the airways to improve breathing function.

Infection

The invasion and multiplication of microorganisms such as bacteria, viruses, and fungi that are not normally present within the body, leading to illness or disease.