X = Length of hospital stay by any given patient (days) Y = Cost of the patient’

Question

X = Length of hospital stay by any given patient (days)
Y = Cost of the patient’s hospital stay (dollars)

What do you expect about the relationship between these variables?

Strong positive correlation, and we expect longer stays to cause higher hospitalization costs for patients with similar illnesses

Strong positive correlation, and we expect higher costs to cause longer stays for patients

Strong positive correlation, but no causation between them

Strong positive correlation, and we expect longer stays to cause higher hospitalization costs for patients with similar illnesses

Strong positive correlation, and we expect higher costs to cause longer stays for patients

Strong positive correlation, but no causation between them

Explanation / Answer

The relationship between these variables will be:-

Strong positive correlation, and we expect longer stays to cause higher hospitalization costs for patients with similar illnesses

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