Exercise 4 Let X~ N(ux, o) and Y ~ N(μy, o). Suppose we are given the following indepen- ently sampled data for X and Y³: sample for X Sample for Y 24.8 12.8 11.1 11.1 15.9 12.2 18.3 8.9 5.6 12.8 17.3 11.3 26.6 26.3 25.2 23.3 22 20.2 26.1 21.1 14.6 14.5 21.8 22.8 11.5 21.5 22.3 31 ompute a 95% confidence interval of x-μy (i) using the knowledge that o = o = 4.7; (ii) assuming we do not know the values of ox, oy, but we still know that ox = oy = 0 for some unknown σ.
Exercise 4 Let X~ N(ux, o) and Y ~ N(μy, o). Suppose we are given the following indepen- ently sampled data for X and Y³: sample for X Sample for Y 24.8 12.8 11.1 11.1 15.9 12.2 18.3 8.9 5.6 12.8 17.3 11.3 26.6 26.3 25.2 23.3 22 20.2 26.1 21.1 14.6 14.5 21.8 22.8 11.5 21.5 22.3 31 ompute a 95% confidence interval of x-μy (i) using the knowledge that o = o = 4.7; (ii) assuming we do not know the values of ox, oy, but we still know that ox = oy = 0 for some unknown σ.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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Related questions
Question
![Exercise 4
Let X~ N(μx, o) and Y ~ N(μy, o). Suppose we are given the following indepen-
dently sampled data for X and Y³:
sample for X
sample for Y
17.3
11.3
24.8 12.8 11.1 11.1 15.9 12.2 18.3 8.9 5.6 12.8
: 26.6 26.3 25.2 23.3 22 20.2 26.1 21.1 14.6 14.5 21.8 22.8
21.5 22.3 31
11.5
Compute a 95% confidence interval of μx - μy
(i) using the knowledge that o = o} = 4.7;
(ii) assuming we do not know the values of ox, oy, but we still know that ox = oy = 0
for some unknown σ.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F04625ac1-43ff-4999-b93a-55388fc0c5e2%2F6944fe2a-ab9d-48ce-8fee-6ba8a8e09f2a%2Fgrxrvbb_processed.png&w=3840&q=75)
Transcribed Image Text:Exercise 4
Let X~ N(μx, o) and Y ~ N(μy, o). Suppose we are given the following indepen-
dently sampled data for X and Y³:
sample for X
sample for Y
17.3
11.3
24.8 12.8 11.1 11.1 15.9 12.2 18.3 8.9 5.6 12.8
: 26.6 26.3 25.2 23.3 22 20.2 26.1 21.1 14.6 14.5 21.8 22.8
21.5 22.3 31
11.5
Compute a 95% confidence interval of μx - μy
(i) using the knowledge that o = o} = 4.7;
(ii) assuming we do not know the values of ox, oy, but we still know that ox = oy = 0
for some unknown σ.
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