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(x* − x)2 Σ(xi − x)2to estimate the standard deviation of an individual value of y when x = 5.   (d) Use ŷ* ± t?/2spred to develop a 95% prediction interval for y when x = 5. to   I need all the parts, I attached a picture of the whole question in case the one I copied above

(x* − x)2 Σ(xi − x)2to estimate the standard deviation of an individual value of y when x = 5.   (d) Use ŷ* ± t?/2spred to develop a 95% prediction interval for y when x = 5. to   I need all the parts, I attached a picture of the whole question in case the one I copied above

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 8 5 11 15
(a)
Use
sŷ* = s
 
1
n
 + 
(x* − x)2
Σ(xi − x)2
to estimate the standard deviation of
ŷ*
when
x = 5.
 
(b)
Use
ŷ* ± t?/2sŷ*
to develop a 95% confidence interval for the expected value of y when
x = 5.
to
(c)
Use
spred = s
  1 + 
1
n
 + 
(x* − x)2
Σ(xi − x)2
to estimate the standard deviation of an individual value of y when
x = 5.
 
(d)
Use
ŷ* ± t?/2spred
to develop a 95% prediction interval for y when
x = 5.
to
 
I need all the parts, I attached a picture of the whole question in case the one I copied above was not clear enough.
la universidad mis amigos y yo los profesores canadiense fácil feo tú francés ser los estudiantes moreno ustedes cubano las clases trabajador viejo
Transcribed Image Text:la universidad mis amigos y yo los profesores canadiense fácil feo tú francés ser los estudiantes moreno ustedes cubano las clases trabajador viejo
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