(a) Estimate the slope of the population regression line. Estimate y intercept of the population regression line. (b) One sample observation on oxygen usage was 754 for a 2 min exercise period. What amount of oxygen consumption is predicted for this exercise period, and what is the corresponding residual? residual (c) Calculate a 99% confidence interval for the average change in oxygen consumption associated with a 1 min increase in exercise time. (Use technology or SALT to calculate the critical value. Round your answers to three decimal places.)

MATLAB: An Introduction with Applications
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An experiment to study the relationship between x = time spent exercising (min) and y = amount of oxygen consumed during the exercise period resulted in the following summary statistics.
Ex=
x = 50 ΣΥ = 16,604 Σχι = 150
n = 20
Σy = 14,194,235 Σxy = 44,195
(a) Estimate the slope of the population regression line.
Estimate y intercept of the population regression line.
(b) One sample observation on oxygen usage was 754 for a 2 min exercise period. What amount of oxygen consumption is predicted for this exercise period, and what is the corresponding residual?
ŷ =
residual
(c) Calculate a 99% confidence interval for the average change in oxygen consumption associated with a 1 min increase in exercise time. (Use technology or SALT to calculate the critical value. Round your answers to three decimal places.)
Transcribed Image Text:An experiment to study the relationship between x = time spent exercising (min) and y = amount of oxygen consumed during the exercise period resulted in the following summary statistics. Ex= x = 50 ΣΥ = 16,604 Σχι = 150 n = 20 Σy = 14,194,235 Σxy = 44,195 (a) Estimate the slope of the population regression line. Estimate y intercept of the population regression line. (b) One sample observation on oxygen usage was 754 for a 2 min exercise period. What amount of oxygen consumption is predicted for this exercise period, and what is the corresponding residual? ŷ = residual (c) Calculate a 99% confidence interval for the average change in oxygen consumption associated with a 1 min increase in exercise time. (Use technology or SALT to calculate the critical value. Round your answers to three decimal places.)
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