The management at Revelation Rehabilitation, a nursing and physical therapy care facility, are exploring the relationship between the numbers of hours each clinical staff member undergoes professional development on safe patient care, represented by the independent variable x, and the number of patient-related injuries that staff member experiences annually, represented by the dependent variable y.  The data is as follows: x y 20 16 30 20 25 15 30 18 20 15 30 21 25 12 30 20 20 15 30 20   What percentage of the variability evidenced in the linear model is not a reflection of the interrelationship between the two variables?    [COMMENTS & HINTS:  You should round the answer to the nearest whole percent.]

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QUESTION 15

The management at Revelation Rehabilitation, a nursing and physical therapy care facility, are exploring the relationship between the numbers of hours each clinical staff member undergoes professional development on safe patient care, represented by the independent variable x, and the number of patient-related injuries that staff member experiences annually, represented by the dependent variable y.  The data is as follows:

x y
20 16
30 20
25 15
30 18
20 15
30 21
25 12
30 20
20 15
30 20
 

What percentage of the variability evidenced in the linear model is not a reflection of the interrelationship between the two variables?    [COMMENTS & HINTS:  You should round the answer to the nearest whole percent.]

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