Researchers Examined Symptom Distress and Palliative Care Designation Among a Sample

Multiple Choice

Researchers examined symptom distress and palliative care designation among a sample of 900 hospitalized adult patients. The report a significant Pearson's correlation for pain and distress of (r=0.91) . Which statement is correct?

A) The is an example of stratified sampling.
B) This is probability sampling.
C) You are unable to determine the sampling method from this information.
D) Pain and distress is worse at this hospital.