Fall2020 Score Spring2021 Score Options vars 47 48.5 46 47.5 Two sample T confidence interval: H : Mean of Fall2020 Score H2: Mean of Spring2021 Score H1 - H2: Difference between two means (without pooled variances) 45.5 45.5 41.5 43.5 41.5 40.5 41.5 40.5 41 40 40.5 39 Sample Statistics: 9 40 38 Sample Mean Std. dev. 10 39.5 37.5 37.5 Fall2020 Score 32 35.140625 7.4262333 11 39.5 36 Spring2021 Score 33 29.136364 12.743425 12 39.5 38.5 35.5 13 35 95% confidence interval results: 14 37.5 U. Limit DF L. Limit 33 Difference Sample Diff. Std. Err. 15 37 32 6.0042614 2.5776853 51.782336 0.83123979 11.177283 37 16 H1 - 42 36.5 31.5 17 31
Fall2020 Score Spring2021 Score Options vars 47 48.5 46 47.5 Two sample T confidence interval: H : Mean of Fall2020 Score H2: Mean of Spring2021 Score H1 - H2: Difference between two means (without pooled variances) 45.5 45.5 41.5 43.5 41.5 40.5 41.5 40.5 41 40 40.5 39 Sample Statistics: 9 40 38 Sample Mean Std. dev. 10 39.5 37.5 37.5 Fall2020 Score 32 35.140625 7.4262333 11 39.5 36 Spring2021 Score 33 29.136364 12.743425 12 39.5 38.5 35.5 13 35 95% confidence interval results: 14 37.5 U. Limit DF L. Limit 33 Difference Sample Diff. Std. Err. 15 37 32 6.0042614 2.5776853 51.782336 0.83123979 11.177283 37 16 H1 - 42 36.5 31.5 17 31
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
Explain the reasoning of the confidence interval as shown in the picture.
![Data -
Stat -
Graph-
Help -
Row
Fall2020 Score
Spring2021 Score
Options
var8
var9
1.
47
48.5
2
46
47.5
Two sample T confidence interval:
H1 : Mean of Fall2020 Score
H2 : Mean of Spring2021 Score
3
45.5
45.5
4.
41.5
43.5
H1 - 42: Difference between two means
(without pooled variances)
41.5
40.5
6.
41.5
40.5
7.
41
40
40.5
39
Sample Statistics:
6.
40
38
Мean
Std. dev.
Sample
10
39.5
37.5
37.5
Fall2020 Score
32 35.140625 7.4262333
11
39.5
36
Spring2021 Score 33 29.136364 12.743425
12
39.5
38.5
35.5
13
35
95% confidence interval results:
14
37.5
L. Limit
U. Limit
DF
33
Difference Sample Diff. Std. Err.
37
15
32
6.0042614 2.5776853 51.782336 0.83123979 11.177283
16
37
H1 - 42
31.5
17
36.5
31
18
35.5
30
35.5
19
28
34.5
20
IMG 3040.jpg
IMG 3041.jpg
IC 2042 ing](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4aa7a91b-3f93-4403-92e7-058f0d2118fd%2Ffb9fd510-94fe-4654-b513-792b1caf3056%2Fmweal_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Data -
Stat -
Graph-
Help -
Row
Fall2020 Score
Spring2021 Score
Options
var8
var9
1.
47
48.5
2
46
47.5
Two sample T confidence interval:
H1 : Mean of Fall2020 Score
H2 : Mean of Spring2021 Score
3
45.5
45.5
4.
41.5
43.5
H1 - 42: Difference between two means
(without pooled variances)
41.5
40.5
6.
41.5
40.5
7.
41
40
40.5
39
Sample Statistics:
6.
40
38
Мean
Std. dev.
Sample
10
39.5
37.5
37.5
Fall2020 Score
32 35.140625 7.4262333
11
39.5
36
Spring2021 Score 33 29.136364 12.743425
12
39.5
38.5
35.5
13
35
95% confidence interval results:
14
37.5
L. Limit
U. Limit
DF
33
Difference Sample Diff. Std. Err.
37
15
32
6.0042614 2.5776853 51.782336 0.83123979 11.177283
16
37
H1 - 42
31.5
17
36.5
31
18
35.5
30
35.5
19
28
34.5
20
IMG 3040.jpg
IMG 3041.jpg
IC 2042 ing
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 2 steps
![Blurred answer](/static/compass_v2/solution-images/blurred-answer.jpg)
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, statistics and related others by exploring similar questions and additional content below.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