An experiment was performed on a certain metal to determine if the strength is a function of heating time.Results based on 10 metal sheets are given below.Use the simple linear regression model. = 30 = 104 = 40 = 178 = 134 Calculate the 95% confidence interval for the slope.
A)(0.564 1.436)
B)(-.630 2.63)
C)(.579 1.421)
D)(.001 1.999)

Question

An experiment was performed on a certain metal to determine if the strength is a function of heating time.Results based on 10 metal sheets are given below.Use the simple linear regression model.  = 30  = 104  = 40  = 178  = 134 Calculate the 95% confidence interval for the slope.
A)(0.564 1.436) 
B)(-.630 2.63) 
C)(.579 1.421) 
D)(.001 1.999)

Quizplus · Accepted Answer

b₁ = 14/14 = 1

An Experiment Was Performed on a Certain Metal to Determine