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Cardiorespiratory fitness is widely recognized as a major component of overall physical well-being. Direct measurement of maximal oxygen uptake (VO2max) is the single best measure of such fitness, but direct measurement is time-consuming and expensive. It is therefore desirable to have a prediction equation for VO2max in terms of easily obtained quantities. A sample is taken and variables measured are age (years), time necessary to walk 1 mile (mins), and heart rate at the end of the walk (bpm) in addition to the VO2 max uptake. The equation from a multiple regression is (VO2) = 0.072 (age) + 0.102*(HR) + 0.044"(time) + 5.364. If a person is 29 years old,

Cardiorespiratory fitness is widely recognized as a major component of overall physical well-being. Direct measurement of maximal oxygen uptake (VO2max) is the single best measure of such fitness, but direct measurement is time-consuming and expensive. It is therefore desirable to have a prediction equation for VO2max in terms of easily obtained quantities. A sample is taken and variables measured are age (years), time necessary to walk 1 mile (mins), and heart rate at the end of the walk (bpm) in addition to the VO2 max uptake. The equation from a multiple regression is (VO2) = 0.072 (age) + 0.102*(HR) + 0.044"(time) + 5.364. If a person is 29 years old,

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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1) The max oxygen intake is 3.399 L/min less than what we would expect. 2) The max oxygen intake is 3.399 L/min larger than what we would expect. 3) The max oxygen intake is 22.891 L/min larger than what we would expect. 4) The heart rate is 3.399 bpm less than what we would expect. 5) The heart rate is 3.399 bpm larger than what we would expect.
Transcribed Image Text:1) The max oxygen intake is 3.399 L/min less than what we would expect. 2) The max oxygen intake is 3.399 L/min larger than what we would expect. 3) The max oxygen intake is 22.891 L/min larger than what we would expect. 4) The heart rate is 3.399 bpm less than what we would expect. 5) The heart rate is 3.399 bpm larger than what we would expect.
Cardiorespiratory fitness is widely recognized as a major component of overall physical well-being. Direct measurement of maximal oxygen uptake (VO2max) is the single best measure of such fitness, but direct measurement is time-consuming and expensive. It is therefore desirable to have a prediction equation for VO2max in terms of easily obtained quantities. A sample is taken and variables measured are age (years), time necessary to walk 1 mile (mins), and heart rate at the end of the walk (bpm) in addition to the VO2 max uptake. The equation from a multiple regression is (V02)= 0.072 (age) + 0.102" (HR) + 0.044"(time) + 5.364. If a person is 29 years old, has a heart rate of 112 bpm, a walking time of 14 minutes, and a maximum oxygen intake of 22.891 L/min, the residual would be 3.399. What is the best interpretation of this residual?
Transcribed Image Text:Cardiorespiratory fitness is widely recognized as a major component of overall physical well-being. Direct measurement of maximal oxygen uptake (VO2max) is the single best measure of such fitness, but direct measurement is time-consuming and expensive. It is therefore desirable to have a prediction equation for VO2max in terms of easily obtained quantities. A sample is taken and variables measured are age (years), time necessary to walk 1 mile (mins), and heart rate at the end of the walk (bpm) in addition to the VO2 max uptake. The equation from a multiple regression is (V02)= 0.072 (age) + 0.102" (HR) + 0.044"(time) + 5.364. If a person is 29 years old, has a heart rate of 112 bpm, a walking time of 14 minutes, and a maximum oxygen intake of 22.891 L/min, the residual would be 3.399. What is the best interpretation of this residual?
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