Regression methods were used to analyze the data from a study investigating the relationship between roadway surface temperature (x) and pavement deflection (y). Summary quantities were 20 20 20 Σx=1478, Σy=12.75, Σ x2 = 143215.8, Σ γ΄=8.86 and Exy=1083.67 n=1 n=1 20 n=1 n=1 h. Estimate the standard errors of the slope. i. Estimate the standard errors of the intercept. j. Find a 99% confidence interval on each of the following: 1. Slope. to 2. Intercept. 3. Mean deflection when temperature x = 85°. to 20 n=1 to k. Find a 99% confidence interval on the pavement deflection when the temperature is 90°F. to
Regression methods were used to analyze the data from a study investigating the relationship between roadway surface temperature (x) and pavement deflection (y). Summary quantities were 20 20 20 Σx=1478, Σy=12.75, Σ x2 = 143215.8, Σ γ΄=8.86 and Exy=1083.67 n=1 n=1 20 n=1 n=1 h. Estimate the standard errors of the slope. i. Estimate the standard errors of the intercept. j. Find a 99% confidence interval on each of the following: 1. Slope. to 2. Intercept. 3. Mean deflection when temperature x = 85°. to 20 n=1 to k. Find a 99% confidence interval on the pavement deflection when the temperature is 90°F. to
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Transcribed Image Text:Regression methods were used to analyze the data from a study investigating the relationship between roadway surface temperature (x) and pavement deflection (y). Summary
quantities were
20
20
20
20
20
Σ x=1478, Σ γ= 12.75, Σ x2 = 143215.8, Σ γ΄-8.86 and Σ ×y=1083.67
EX
EXY
n=1
n=1
n=1
n=1
n=1
h. Estimate the standard errors of the slope.
i. Estimate the standard errors of the intercept.
j. Find a 99% confidence interval on each of the following:
1. Slope.
to
2. Intercept.
3. Mean deflection when temperature x = 85°.
to
to
k. Find a 99% confidence interval on the pavement deflection when the temperature is 90°F.
to
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