Data on 17 randomly selected athletes was obtained concerning their cardiovascular fitness (measured by time to exhaustion running on a treadmill) and performance in a 20-km ski race. Both variables were measured in minutes and a regression analysis was performed. ski 86 2.4 treadmill Coefficients Estimate 86 (Intercept) Treadmill -2.4 Std. Error 0.26 0.86 Is there sufficient evidence to conclude that there is a linear relationship between cardiovascular fitness and ski race performance? Round your answers to three decimal places. What is the test statistic?

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 8E
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Data on 17 randomly selected athletes was obtained concerning their cardiovascular fitness (measured by
time to exhaustion running on a treadmill) and performance in a 20-km ski race. Both variables were
measured in minutes and a regression analysis was performed.
ski = 86 2.4 treadmill
Coefficients Estimate
(Intercept)
Treadmill
86
-2.4
Std. Error
0.26
0.86
Is there sufficient evidence to conclude that there is a linear relationship between cardiovascular fitness
and ski race performance? Round your answers to three decimal places.
What is the test statistic?
Transcribed Image Text:Data on 17 randomly selected athletes was obtained concerning their cardiovascular fitness (measured by time to exhaustion running on a treadmill) and performance in a 20-km ski race. Both variables were measured in minutes and a regression analysis was performed. ski = 86 2.4 treadmill Coefficients Estimate (Intercept) Treadmill 86 -2.4 Std. Error 0.26 0.86 Is there sufficient evidence to conclude that there is a linear relationship between cardiovascular fitness and ski race performance? Round your answers to three decimal places. What is the test statistic?
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Follow-up Question
Data on 17 randomly selected athletes was obtained concerning their cardiovascular fitness (measured by
time to exhaustion running on a treadmill) and performance in a 20-km ski race. Both variables were
measured in minutes and a regression analysis was performed.
ski = 86 2.4 treadmill
Coefficients Estimate
(Intercept)
Treadmill
86
-2.4
Std. Error
What is the test statistic?
-2.791
0.26
0.86
Is there sufficient evidence to conclude that there is a linear relationship between cardiovascular fitness
and ski race performance? Round your answers to three decimal places.
Using your answer from the previous question, find the p-value.
Part 2 of 3
Transcribed Image Text:Data on 17 randomly selected athletes was obtained concerning their cardiovascular fitness (measured by time to exhaustion running on a treadmill) and performance in a 20-km ski race. Both variables were measured in minutes and a regression analysis was performed. ski = 86 2.4 treadmill Coefficients Estimate (Intercept) Treadmill 86 -2.4 Std. Error What is the test statistic? -2.791 0.26 0.86 Is there sufficient evidence to conclude that there is a linear relationship between cardiovascular fitness and ski race performance? Round your answers to three decimal places. Using your answer from the previous question, find the p-value. Part 2 of 3
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