Provide a 95% confidence interval for the population slope of the regression line.    What is the lower bound of the 95% confidence interval?

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.6: Variation
Problem 37E
icon
Related questions
Question

Provide a 95% confidence interval for the population slope of the regression line. 

 

What is the lower bound of the 95% confidence interval?

> cegre=lnCHeight wat)
> summary (regres)
call:
Jn(formula
Height - wat)
Residuals:
Min
-20. 229-2.624
10Median
1.456
3Q
мах
4.561
10. 364
coolm
Coefficients:
(Intercept) 93.21610511.625314
Wat
Estimate std. Error t value Pr (>|t|)
8.018 5.97e-09 ***
6.455 3.94e-07 ** *
0. 024691
0.003825
signif. codes: 0 ***** 0.001 ***' 0.01 **' 0.05 '.' 0.1 1
Residual standard error: 7.393 on 30 degrees of freedom
Multiple R-squared: 0.5814,
F-statistic: 41. 67 on 1 and 30 DER-value: 3.938e-07
Adjusted R-squared: 0. 5674
> confint (regres)
2.5 %
97.5 %
(Intercept) 69.47404650 116.95816271
wat
0. 01687938
0.03250356
Transcribed Image Text:> cegre=lnCHeight wat) > summary (regres) call: Jn(formula Height - wat) Residuals: Min -20. 229-2.624 10Median 1.456 3Q мах 4.561 10. 364 coolm Coefficients: (Intercept) 93.21610511.625314 Wat Estimate std. Error t value Pr (>|t|) 8.018 5.97e-09 *** 6.455 3.94e-07 ** * 0. 024691 0.003825 signif. codes: 0 ***** 0.001 ***' 0.01 **' 0.05 '.' 0.1 1 Residual standard error: 7.393 on 30 degrees of freedom Multiple R-squared: 0.5814, F-statistic: 41. 67 on 1 and 30 DER-value: 3.938e-07 Adjusted R-squared: 0. 5674 > confint (regres) 2.5 % 97.5 % (Intercept) 69.47404650 116.95816271 wat 0. 01687938 0.03250356
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
Algebra
ISBN:
9781133382119
Author:
Swokowski
Publisher:
Cengage
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Big Ideas Math A Bridge To Success Algebra 1: Stu…
Algebra
ISBN:
9781680331141
Author:
HOUGHTON MIFFLIN HARCOURT
Publisher:
Houghton Mifflin Harcourt
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill