A biostatistician finds the relationship between the number of weeks (X) spent i

Question

A biostatistician finds the relationship between the number of weeks (X) spent in a hospital and number of seizures per week (Y) and is described by the following equation:Assign10_Q5.JPG. This is based on a sample size of 50 patients and the associated coefficient of correlation is r = -.93. Using this information above, answer the following question: How do you interpret r = -.93? There is a perfect positive relationship between the number of weeks spent in a hospital and the number of seizures recorded. There is a perfect negative relationship between the number of weeks spent in a hospital and the number of seizures recorded. There is a strong negative relationship between the number of weeks spent in a hospital and the number of seizures recorded. There is a strong positive relationship between the number of weeks spent in a hospital and the number of seizures recorded.

Explanation / Answer

Interpretation of r = -0.93:

There is a strong negative relationship between the number of weeks spent in a hospital and the number of seizures recorded.

Option C is correct.

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