Assignment:
Confidence Intervals for ??0 and β1Confidence intervals for the y -intercept β0 and slope β1 for a regression line ( y=β0 + β1 x) can be found by evaluating the limits in the intervals below
![889_p 12.jpg](https://secure.tutorsglobe.com/CMSImages/889_p 12.jpg)
The y-intercept b0 and the slope b1 are found from the sample data and tα /2 is found from Table A-3 by using n -2 degrees of freedom. Using the pizza subway data from the Chapter Problem, find the 95% confidence interval estimates of β0 and β1 .
Table below in the Chapter Problem are listed below.
CPI
|
30.2
|
48.3
|
112.3
|
162.2
|
191.9
|
197.8
|
Subway Fare
|
0.15
|
0.35
|
1
|
1.35
|
1.5
|
2
|
![882_p 13.jpg](https://secure.tutorsglobe.com/CMSImages/882_p 13.jpg)