What is the variability for any given age, when estimating a client's age-predicted maximum heart rate?

What is the variability for any given age, when estimating a client's age-predicted maximum heart rate? 




A. 2 to 4 beats per minute
B. 10 to 12 beats per minute
C. 18 to 20 beats per minute
D. 22 to 24 beats per minute


Answer: Answer: B


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