X; Y₁ Use Sy* = 1 2 3 4 7 + لیا Jse Spred = S√ 1 + 4 6 11 15 (x*- x)² Σ(x, − x)2 n 5 Use ŷ* ± ta/25* to develop a 95% confidence interval for the expected value of y when x = 4. to + to estimate the standard deviation of ŷ* when x = 4. (x*- x)² Σ(Χ, − x)2 - to estimate the standard deviation of an individual value of y wh
X; Y₁ Use Sy* = 1 2 3 4 7 + لیا Jse Spred = S√ 1 + 4 6 11 15 (x*- x)² Σ(x, − x)2 n 5 Use ŷ* ± ta/25* to develop a 95% confidence interval for the expected value of y when x = 4. to + to estimate the standard deviation of ŷ* when x = 4. (x*- x)² Σ(Χ, − x)2 - to estimate the standard deviation of an individual value of y wh
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
![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.)
\[
\begin{array}{|c|c|c|c|c|c|}
\hline
x_i & 1 & 2 & 3 & 4 & 5 \\
\hline
y_i & 4 & 7 & 6 & 11 & 15 \\
\hline
\end{array}
\]
(a) Use \( s_{\hat{y}^*} = s \sqrt{\frac{1}{n} + \frac{(x^* - \bar{x})^2}{\sum (x_i - \bar{x})^2}} \) to estimate the standard deviation of \( \hat{y}^* \) when \( x = 4 \).
\[ \text{(Answer Box)} \]
(b) Use \( \hat{y}^* \pm t_{\alpha/2}s_{\hat{y}^*} \) to develop a 95% confidence interval for the expected value of \( y \) when \( x = 4 \).
\[ \text{(Answer Box)} \text{ to } \text{(Answer Box)} \]
(c) Use \( s_{\text{pred}} = s \sqrt{1 + \frac{1}{n} + \frac{(x^* - \bar{x})^2}{\sum (x_i - \bar{x})^2}} \) to estimate the standard deviation of an individual value of \( y \) when \( x = 4 \).
\[ \text{(Answer Box)} \]
(d) Use \( \hat{y}^* \pm t_{\alpha/2}s_{\text{pred}} \) to develop a 95% prediction interval for \( y \) when \( x = 4 \).
\[ \text{(Answer Box)} \text{ to } \text{(Answer Box)} \]](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2c787a53-532d-40ba-86b4-dcab2c0487fe%2Fba0021f2-9db5-4751-943a-4db43edb44ff%2F1xb41hm_processed.jpeg&w=3840&q=75)
Transcribed Image Text: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.)
\[
\begin{array}{|c|c|c|c|c|c|}
\hline
x_i & 1 & 2 & 3 & 4 & 5 \\
\hline
y_i & 4 & 7 & 6 & 11 & 15 \\
\hline
\end{array}
\]
(a) Use \( s_{\hat{y}^*} = s \sqrt{\frac{1}{n} + \frac{(x^* - \bar{x})^2}{\sum (x_i - \bar{x})^2}} \) to estimate the standard deviation of \( \hat{y}^* \) when \( x = 4 \).
\[ \text{(Answer Box)} \]
(b) Use \( \hat{y}^* \pm t_{\alpha/2}s_{\hat{y}^*} \) to develop a 95% confidence interval for the expected value of \( y \) when \( x = 4 \).
\[ \text{(Answer Box)} \text{ to } \text{(Answer Box)} \]
(c) Use \( s_{\text{pred}} = s \sqrt{1 + \frac{1}{n} + \frac{(x^* - \bar{x})^2}{\sum (x_i - \bar{x})^2}} \) to estimate the standard deviation of an individual value of \( y \) when \( x = 4 \).
\[ \text{(Answer Box)} \]
(d) Use \( \hat{y}^* \pm t_{\alpha/2}s_{\text{pred}} \) to develop a 95% prediction interval for \( y \) when \( x = 4 \).
\[ \text{(Answer Box)} \text{ to } \text{(Answer Box)} \]
Expert Solution
![](/static/compass_v2/shared-icons/check-mark.png)
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
This is a popular solution!
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Follow-up Questions
Read through expert solutions to related follow-up questions below.
Follow-up Question
Hello,
it seems that my numbers were changed
should be
x | 1 | 2 | 3 | 4 | 5 |
y | 4 | 7 | 6 | 11 | 15 |
Can I you answer using the right numbers
Solution
Recommended textbooks for you
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![MATLAB: An Introduction with Applications](https://www.bartleby.com/isbn_cover_images/9781119256830/9781119256830_smallCoverImage.gif)
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
![Probability and Statistics for Engineering and th…](https://www.bartleby.com/isbn_cover_images/9781305251809/9781305251809_smallCoverImage.gif)
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
![Statistics for The Behavioral Sciences (MindTap C…](https://www.bartleby.com/isbn_cover_images/9781305504912/9781305504912_smallCoverImage.gif)
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
![Elementary Statistics: Picturing the World (7th E…](https://www.bartleby.com/isbn_cover_images/9780134683416/9780134683416_smallCoverImage.gif)
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
![The Basic Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319042578/9781319042578_smallCoverImage.gif)
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
![Introduction to the Practice of Statistics](https://www.bartleby.com/isbn_cover_images/9781319013387/9781319013387_smallCoverImage.gif)
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman