Solution Found!
In fitting a least squares line to n = 15 data points, the
Chapter 11, Problem 95SE(choose chapter or problem)
Problem 95SE
In fitting a least squares line to n = 15 data points, the following quantities were computed: SSxx = 55, SSyy = 198, SSxy = -88,
a. Find the least squares line.
b. Graph the least squares line.
c. Calculate SSE.
d. Calculate s2.
e. Find a 90% confidence interval for β1. Interpret this estimate.
f. Find a 90% confidence interval for the mean value of y when x = 15.
g. Find a 90% prediction interval for y when x = 15.
Questions & Answers
QUESTION:
Problem 95SE
In fitting a least squares line to n = 15 data points, the following quantities were computed: SSxx = 55, SSyy = 198, SSxy = -88,
a. Find the least squares line.
b. Graph the least squares line.
c. Calculate SSE.
d. Calculate s2.
e. Find a 90% confidence interval for β1. Interpret this estimate.
f. Find a 90% confidence interval for the mean value of y when x = 15.
g. Find a 90% prediction interval for y when x = 15.
ANSWER:Step 1 of 8
The given data is:
