Homework Help: math am i right?

Posted by sam on Saturday, May 21, 2011 at 1:54am.

the polynomial 0.041h - 0.018a - 2.69 can be used to estimate the lung capacity, in liters, of a female with height h, in centimeters, and age a. find the lung capacity of a 60 year old women who is 190 centimeters tall
9.04 liters

math am i right? - drwls, Saturday, May 21, 2011 at 5:32am
No. A much better formulas is given at

The expected lung capacity can be calculated from body surface area (BSA), which, in turn, can be estimated from height (in centimeters) and weight (in kilograms) (Mosteller, 1987; Halls, 2003; Muskopf, 2003). Here is the equation for BSA:

BSA(m^2) = sqrt[height(cm)*mass(kg)/3600]

To estimate vital capacity (in liters), multiply BSA by 2.5 for males, and by 2.0 for females.

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