Consider the accompanying observations on bond strength. 11.6 13.3 4.7 3.4 8.1 12.2 9.7 9.5 16.9 9.5 5.8 X 10.8 " 3.3 15.1 8.4 20.5 25.7 7.7 5.6 0.397 4.0 14.0 6.3 6.4 6.8 5.2 5.1 5.3 12.4 3.8 3.8 3.7 5.1 4.7 4.0 3.7 3.8 3.5 3.5 3.5 13.2 8.8 10.9 14.1 7.8 5.4 5.4 4.9 5.2 (a) Estimate true average bond strength in a way that conveys information about precision and reliability. [Hint: x, = 386.1 and x² = 4,235.73.] (Round your answers to three decimal places.) A 95% CI for μ = the true average strength is 6.620 x 9.468 ]*). (b) Calculate a 95% CI for the proportion of all such bonds whose strength values would exceed 10. (Round your answ to three decimal places.) 0.145 * )
Consider the accompanying observations on bond strength. 11.6 13.3 4.7 3.4 8.1 12.2 9.7 9.5 16.9 9.5 5.8 X 10.8 " 3.3 15.1 8.4 20.5 25.7 7.7 5.6 0.397 4.0 14.0 6.3 6.4 6.8 5.2 5.1 5.3 12.4 3.8 3.8 3.7 5.1 4.7 4.0 3.7 3.8 3.5 3.5 3.5 13.2 8.8 10.9 14.1 7.8 5.4 5.4 4.9 5.2 (a) Estimate true average bond strength in a way that conveys information about precision and reliability. [Hint: x, = 386.1 and x² = 4,235.73.] (Round your answers to three decimal places.) A 95% CI for μ = the true average strength is 6.620 x 9.468 ]*). (b) Calculate a 95% CI for the proportion of all such bonds whose strength values would exceed 10. (Round your answ to three decimal places.) 0.145 * )
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
![Consider the accompanying observations on bond strength.
11.6
13.3
4.7
3.4
8.1
5.1
12.2 9.7 9.5
16.9 9.5
10.8 15.1
I
3.3
4.7
5.8
8.4
10.9 14.1 7.8
X 0.397
7.7 6.3 6.4 6.8
5.6
20.5 25.7 14.0
4.0 3.8
5.4
5.2
4.0 3.7 3.8
12.4
5.4
5.1
3.8
5.3
3.7
13.2 8.8
3.5 3.5
4.9 5.2
(a) Estimate true average bond strength in a way that conveys information about precision and reliability. [Hint:
x₁ = 386.1 and x² = 4,235.73.] (Round your answers to three decimal places.)
A 95% CI for μ = the true average strength is (6.620
X 9.468 ]× ).
3.5
(b) Calculate a 95% CI for the proportion of all such bonds whose strength values would exceed 10. (Round your answers
to three decimal places.)
0.145
X )](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcdd779ee-39b4-455c-9a15-b1302cac6e33%2F8ebababf-dd1e-4bcd-acf0-9ec9e5edcdc5%2Ffn7a8yp_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Consider the accompanying observations on bond strength.
11.6
13.3
4.7
3.4
8.1
5.1
12.2 9.7 9.5
16.9 9.5
10.8 15.1
I
3.3
4.7
5.8
8.4
10.9 14.1 7.8
X 0.397
7.7 6.3 6.4 6.8
5.6
20.5 25.7 14.0
4.0 3.8
5.4
5.2
4.0 3.7 3.8
12.4
5.4
5.1
3.8
5.3
3.7
13.2 8.8
3.5 3.5
4.9 5.2
(a) Estimate true average bond strength in a way that conveys information about precision and reliability. [Hint:
x₁ = 386.1 and x² = 4,235.73.] (Round your answers to three decimal places.)
A 95% CI for μ = the true average strength is (6.620
X 9.468 ]× ).
3.5
(b) Calculate a 95% CI for the proportion of all such bonds whose strength values would exceed 10. (Round your answers
to three decimal places.)
0.145
X )
Expert Solution
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!
Step 1: Given information
VIEWStep 2: Calculate the sample mean & standard deviation
VIEWStep 3: Calculate the critical value
VIEWStep 4: Estimate the 95% CI for the population mean
VIEWStep 5: Calculate the sample proportion
VIEWStep 6: Estimate the population proportion of bonds with strength values exceeding 10
VIEWSolution
VIEW
Trending now
This is a popular solution!
Step by step
Solved in 7 steps with 39 images
Recommended textbooks for you
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
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
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
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…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
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
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman