Question: Summary statistics for the data in Exercise 8.5 (where subscripts 0 and 20 represent preexercise eNO [0 minutes] and eNO at 20 minutes, respectively) are

Summary statistics for the data in Exercise 8.5 (where subscripts 0 and 20 represent preexercise eNO [0 minutes] and eNO at 20 minutes, respectively)

are approximately m0 = 29.3; me0 = 28.1; so = 25.6; s20 = 25.3; and s0,20 = 621.5. Using these values, what is the correlation coefficient between age and respiration rate? How is this correlation coefficient interpreted?

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