You may need to use the appropriate appendix table or technology to answer this question. Given are five observations for two variables, x and y. (Round your answers to two decimal places.) xi 1 2 3 4 5 yi 4 6 6 11 14 (a) Use sŷ* = s 1 n + (x* − x)2 Σ(xi − x)2
You may need to use the appropriate appendix table or technology to answer this question. Given are five observations for two variables, x and y. (Round your answers to two decimal places.) xi 1 2 3 4 5 yi 4 6 6 11 14 (a) Use sŷ* = s 1 n + (x* − x)2 Σ(xi − x)2
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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You may need to use the appropriate appendix table or technology to answer this question.
Given are five observations for two variables, x and y. (Round your answers to two decimal places.)
xi
|
1 | 2 | 3 | 4 | 5 |
---|---|---|---|---|---|
yi
|
4 | 6 | 6 | 11 | 14 |
(a)
Use
sŷ* = s
to estimate the standard deviation of
|
ŷ*
when
x = 4.
(b)
Use
expected value of y when
ŷ* ± tα/2sŷ*
to develop a 95% confidence interval for the x = 4.
to
(c)
Use
spred = s
to estimate the standard deviation of an individual value of y when
1 +
|
x = 4.
(d)
Use
ŷ* ± tα/2spred
to develop a 95% prediction interval for y when
x = 4.
to
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