Choose the correct There is a positive correlation between the size of a hospital (measured by number of beds) and the median number of days that patient remains in the hospital. Does this mean that you can shorten a hospital stay by choosing to go to a small hospital? No – a negative correlation would allow that conclusion, but this correlation is positive. Yes – the data show that stays are shorter in smaller hospitals. No – the positive correlation is probably explained by the fact that seriously ill people go to larger hospitals. Yes – the correlation can’t just be an accident.

Choose the correct There is a positive correlation between the size of a hospital (measured by number of beds) and the median number of days that patient remains in the hospital. Does this mean that you can shorten a hospital stay by choosing to go to a small hospital? No – a negative correlation would allow that conclusion, but this correlation is positive. Yes – the data show that stays are shorter in smaller hospitals. No – the positive correlation is probably explained by the fact that seriously ill people go to larger hospitals. Yes – the correlation can’t just be an accident.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section4.5: Correlation And Causation

Problem 15PPS

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Question

Choose the correct

There is a positive correlation between the size of a hospital (measured by number of beds) and the median number of days that patient remains in the hospital. Does this mean that you can shorten a hospital stay by choosing to go to a small hospital?

No – a negative correlation would allow that conclusion, but this correlation is positive.

Yes – the data show that stays are shorter in smaller hospitals.

No – the positive correlation is probably explained by the fact that seriously ill people go to larger hospitals.

Yes – the correlation can’t just be an accident.

Definition Definition Relationship between two independent variables. A correlation tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.

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