Arocket motor is marufactured by bonding together two types ef propelants. an igniter and a sustainer. The stear strength of the bond is thoughtts bealnerturetion of the agef the propellant when the motor is cast. Twenty observations are shown in the folowing table Observation Strength Age Iweeks) Observation Strength Age Number Number Iweeial 2585 45 I 11 22105 175 23679 133 I 12 20042 75 125 I 13 1789 2 2326 2287.7. 18 I 14 17637 25 22175 115 I 15 17753 27 2188.7 20 I 16 21752 23 I 17 20713 234575 15 244 I 21 213 I 24a los 1747 19 10 204 I 78 20

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
answer 2 only
Question 1
Predict the shear strength in psi f the age is 17 weeks. Round off your answer to the nearest tenth.
Question 2
Predict the shear strength in psi if the age is 14 days. Round off your answer to the nearest integer.
Question 3
Fit a straight line by the method of least squares. Calculate the slope. Report your answer to one decimal place.
Transcribed Image Text:Question 1 Predict the shear strength in psi f the age is 17 weeks. Round off your answer to the nearest tenth. Question 2 Predict the shear strength in psi if the age is 14 days. Round off your answer to the nearest integer. Question 3 Fit a straight line by the method of least squares. Calculate the slope. Report your answer to one decimal place.
Arocket motor is marufactured by bonding together two types of propelants. an igniter and a sustainer. The shear strength of the bond is thought to be a linear function of the age of
the propellant when the motor is cast. Twenty observations are shown in the following table.
Observation Strength.
(ps) (weeks)
Age .Observation Strength
Age
(psi) I (weeks)
Number
Number
1
2585 6.5 I
11
22105
175
2
2367.9
13.3 I
12
26642
75
3
2326
125 I 13
17898
28
2287.7. 18 I 14
17637
25
115 1 15
22175
17753
27
6.
2168.7
20.8 I
16
21752
194
20713 23 I 17
2345.75
15
244 I 18
18183
20635
24
293 I 19
24244 los
17947
1688 15 304
240955
10
20
78
Transcribed Image Text:Arocket motor is marufactured by bonding together two types of propelants. an igniter and a sustainer. The shear strength of the bond is thought to be a linear function of the age of the propellant when the motor is cast. Twenty observations are shown in the following table. Observation Strength. (ps) (weeks) Age .Observation Strength Age (psi) I (weeks) Number Number 1 2585 6.5 I 11 22105 175 2 2367.9 13.3 I 12 26642 75 3 2326 125 I 13 17898 28 2287.7. 18 I 14 17637 25 115 1 15 22175 17753 27 6. 2168.7 20.8 I 16 21752 194 20713 23 I 17 2345.75 15 244 I 18 18183 20635 24 293 I 19 24244 los 17947 1688 15 304 240955 10 20 78
Expert Solution
steps

Step by step

Solved in 2 steps with 1 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
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 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…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
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
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman