Which of the Following Statements About the Correlation Coefficient Is

question 18

Multiple Choice

Which of the following statements about the correlation coefficient is true?

• A)One should not accept that a correlation coefficient represents a relationship unless it is significant.
• B)Unless a correlation coefficient is zero,it represents a relationship.
• C)Positive correlation coefficients tend to be significant more often than negative ones.
• D)Sampling error does not apply to the correlation coefficient.

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Definitions:

Continuous positive airway pressure

A medical treatment that uses mild air pressure to keep an individual's airways open, typically used for those with breathing problems during sleep, such as obstructive sleep apnea.

Effective interventions

Strategies or treatments that have been proven through research and clinical practice to produce desired outcomes in a specific context.

Best evaluator of sleep

Generally considered to be subjective self-assessment methods, where individuals rate their own sleep quality and duration.

Observations of the patient

encompass the continuous monitoring and assessment of a patient's condition to guide care and treatment decisions.