Considering both r and the scatter plot for the data above, what can you conclude about the correlation between Cheerfulness Scores and Depression Scores? State your interpretation including the strength and direction of the relationship. Check your answers.
Considering both r and the scatter plot for the data above, what can you conclude about the correlation between Cheerfulness Scores and Depression Scores? State your interpretation including the strength and direction of the relationship. Check your answers.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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![Calculation.
Cheerfulness
Score (X)
Depression
Score (Y)
Person
XY
X?
- Y?
120
135
900
729
30
4
16
27
25
3
24
7
168
576
49
4
20
24
480
400
576
5
20
8
160
400
64
18
10
180
324
100
7
16
10
160
256
100
8
14
14
196
196
196
9
13
9
117
169
81
10
11
12
132
121
144
11
23
207
81
529
12
6.
29
174
36
841
13
30
900
N = 13
EX =208
ΣΥ-185
EXY= 2229
ΣΧ-4188
EY²= 3621
Calculate.
[ΝΣ ΧΥ -Σx) /Σ Υ]
N = 13
[V[NEX2 – (E X)²][N£Y² – (EY)²]]
Σχ-208
Ey=185
Exy= 2229
Ex²=4188
Ey²= 3621
Interpret. Describe the relationship between Cheerfulness and Depression.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb16d438a-6747-410f-961a-8af2d5e6e1f5%2Fa38db783-cf98-4ad3-a437-297115d19b65%2Fv4cdsva_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Calculation.
Cheerfulness
Score (X)
Depression
Score (Y)
Person
XY
X?
- Y?
120
135
900
729
30
4
16
27
25
3
24
7
168
576
49
4
20
24
480
400
576
5
20
8
160
400
64
18
10
180
324
100
7
16
10
160
256
100
8
14
14
196
196
196
9
13
9
117
169
81
10
11
12
132
121
144
11
23
207
81
529
12
6.
29
174
36
841
13
30
900
N = 13
EX =208
ΣΥ-185
EXY= 2229
ΣΧ-4188
EY²= 3621
Calculate.
[ΝΣ ΧΥ -Σx) /Σ Υ]
N = 13
[V[NEX2 – (E X)²][N£Y² – (EY)²]]
Σχ-208
Ey=185
Exy= 2229
Ex²=4188
Ey²= 3621
Interpret. Describe the relationship between Cheerfulness and Depression.
![Construct the Scatter Plot
Cheerfulness
Score
Considering both r and the scatter plot for the data above, what can you
conclude about the correlation between Cheerfulness Scores and
Depression Scores? State your interpretation including the strength and
direction of the relationship.
Check your answers.
28977-38480
V[54444–43264][47073–34225]
-9503
-9503
J[11180][12848] V143640640
-9503
11985.01731 =-.793
13(2229)–(208)(185)
r =-
V[13(4188)–(208)²][13(3621)–(185)²]
10
30
Cheerfulness
Depression
Depression Score](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fb16d438a-6747-410f-961a-8af2d5e6e1f5%2Fa38db783-cf98-4ad3-a437-297115d19b65%2F6gm6ltb_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Construct the Scatter Plot
Cheerfulness
Score
Considering both r and the scatter plot for the data above, what can you
conclude about the correlation between Cheerfulness Scores and
Depression Scores? State your interpretation including the strength and
direction of the relationship.
Check your answers.
28977-38480
V[54444–43264][47073–34225]
-9503
-9503
J[11180][12848] V143640640
-9503
11985.01731 =-.793
13(2229)–(208)(185)
r =-
V[13(4188)–(208)²][13(3621)–(185)²]
10
30
Cheerfulness
Depression
Depression Score
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