Below data covers 66 observations of students’ GPA and Hours studied for a given year. 1. Using boxplots, examine distribution of each of GPA and Hours studied variable. Show and describe if there is/are suspected outlier for any of the variable. What is mean and standard deviation for each variable and briefly explain what they imply about the distribution of each variable. 2. What is the explanatory and response variable in the given case. Find and explain the correlation and coefficient of determination. Draw the scatter plot and find the trend line. Label your scatter plot. Briefly explain scatterplot. 3. Run the least square regression line for the data and describe the regression line in terms of intercept, and slope. Clearly explain what does slope of the regression line explains.
Below data covers 66 observations of students’ GPA and Hours studied for a given year. 1. Using boxplots, examine distribution of each of GPA and Hours studied variable. Show and describe if there is/are suspected outlier for any of the variable. What is mean and standard deviation for each variable and briefly explain what they imply about the distribution of each variable. 2. What is the explanatory and response variable in the given case. Find and explain the correlation and coefficient of determination. Draw the scatter plot and find the trend line. Label your scatter plot. Briefly explain scatterplot. 3. Run the least square regression line for the data and describe the regression line in terms of intercept, and slope. Clearly explain what does slope of the regression line explains.
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
Below data covers 66 observations of students’ GPA and Hours studied for a given year.
1. Using boxplots, examine distribution of each of GPA and Hours studied variable. Show and
describe if there is/are suspected outlier for any of the variable. What is mean and standard deviation for each variable and briefly explain what they imply about the distribution of each variable.
2. What is the explanatory and response variable in the given case. Find and explain the
correlation and coefficient of determination. Draw the
3. Run the least square regression line for the data and describe the regression line in terms of intercept, and slope. Clearly explain what does slope of the regression line explains.
Transcribed Image Text:Student
ID
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
GPA
2.99
3.25
3.20
3.20
3.20
2.04
3.50
2.80
3.82
3.79
3.00
3.40
3.30
2.90
2.70
3.60
2.80
3.58
2.01
3.20
3.30
2.75
2.57
3.10
3.00
3.47
3.63
3.02
3.00
3.32
3.70
2.90
2.57
Hours
Studied
3
25
11
14
20
3
21
10
100
14
17.5
12
8
9
6
10
12
22
12
21
2
5
17.5
14
2
4
8
15
10
9
12
3
6
Student
ID
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
GPA
1.96
2.43
3.27
2.89
3.29
2.90
2.99
2.33
3.82
3.40
2.28
3.68
2.92
3.31
3.98
3.82
2.85
2.95
3.78
2.63
2.63
3.18
3.45
3.58
2.84
2.70
2.93
3.29
2.95
3.13
2.54
2.88
2.41
Hours
Studied
3
5
8
6
10
6
7
3
18
8
2
8
3.5
7
30
40
7
6
12
6
6.5
5
14
9
4
4.5
8
9
4.5
6
7
9
4.5
Expert Solution
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 5 steps with 12 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