before (M.) After (₂) differences mean UD 8 6 - 2 11.6 11.1 -0.50 `n-²n = 14 14 O 13 12 -1 15 14 10 9 2.72 3.00 0.85 Standard deviation 16 16 16 9 b 11 lo -1 -10 0 -1 0-1 9 11 11
before (M.) After (₂) differences mean UD 8 6 - 2 11.6 11.1 -0.50 `n-²n = 14 14 O 13 12 -1 15 14 10 9 2.72 3.00 0.85 Standard deviation 16 16 16 9 b 11 lo -1 -10 0 -1 0-1 9 11 11
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
The manufacturer of a new eye cream claim that the cream reduces the appearance of fine lines and wrinkles after just 14 days of application to test the claim 10 women are randomly selected to participate in the study. The number of five lines and wrinkles are visible around each participant eyes before and after 14 days of treatment
A) calculate the test statistics and p value respectively
A) t = 3.6, p value = 0.001
B) t = -1.9, p value = 0.09
C) t = -1.9, p value = 0.045
D) t = 1.9, p value = 0.043
E) t = -3.4, p value = 0.004
B) based on your result on the previous question more than one answer possible
A) reject at 0.10 significant level
B) do not reject at 0.05 significance level
C) reject at 0.05 significant level
D) reject at 0.01 significant level
C) construct a 99% confidence interval for the average before and after
A) (-1.03, 0.03)
B) (-1.37, 0.37)
C) (1.00, 2.03)
D) ( -1.11, 0.11)
Please be quick
![before (M.)
After (₂)
differences
mean
UD
8
6
- 2
11.6
11.1
-0.50
-92.9₁
14
14
O
13
12
-1
15
14
-1
10
2.72
3.00
0.85
9
Standard deviation
16
16
16
9
9
11 lo
9 11 11
-100 -1 0-1](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0729a4de-a9e4-4cb8-987a-ec80a8ef228d%2F134cf341-d9cf-466f-ac44-21e3853769fd%2Fj27p8l_processed.jpeg&w=3840&q=75)
Transcribed Image Text:before (M.)
After (₂)
differences
mean
UD
8
6
- 2
11.6
11.1
-0.50
-92.9₁
14
14
O
13
12
-1
15
14
-1
10
2.72
3.00
0.85
9
Standard deviation
16
16
16
9
9
11 lo
9 11 11
-100 -1 0-1
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.
Step by step
Solved in 7 steps with 3 images
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
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