How Does the Work Expenditure of a 60 Year Old

question 16

Multiple Choice

How does the work expenditure of a 60 year old to overcome static mechanical forces during normal breathing compare to that of a 20 year old?

• A) The work expenditure of the 60 year old is 20% higher than the work expenditure of the 20 year old
• B) The work expenditure is approximately equal
• C) The work expenditure of the 60 year old is 200% greater than that of the 20 year old
• D) The work expenditure of the 60 year old is only 80% of that of the 20 year old

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Definitions:

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A method used to estimate the variance of two or more different samples that assume the underlying population variances are equal.

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