When Dealing with an Interval Scale Such as Fahrenheit Temperature

question 94

Multiple Choice

When dealing with an interval scale such as Fahrenheit temperature, it is correct to say

• A)the difference between 90 and 30 is three times the difference between 40 and 20
• B)60 is three times as hot as 20
• C)both a and b are correct
• D)none of the above are correct

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Definitions:

Expiratory Reserve Volume (ERV)

The extra volume of air that can be forcefully expelled following the end of a regular, gentle breath out.

Functional Residual Capacity (FRC)

The volume of air present in the lungs at the end of passive expiration, an important measure in pulmonary physiology.

Expiratory Reserve Volume (ERV)

The additional amount of air that can be exhaled from the lungs after a normal exhalation.

Vital Capacity (VC)

The greatest volume of air that can be expelled from the lungs after taking the deepest possible breath; an important measurement in respiratory health.