Question
Data on ICU hospitalization (X) and number of death (Y) for 5 days due to COVID-19...
Data on ICU hospitalization (X) and number of death (Y) for 5 days due to COVID-19 is given.
| Date | In ICU (X) | Death (Y) |
| 04/25 | 50 | 21 |
| 04/26 | 80 | 35 |
| 04/27 | 87 | 31 |
| 04/28 | 92 | 45 |
| 04/29 | 118 | 50 |
| Total | 427 | 182 |
Find estimate βˆ0
Question 10 options:
|
0.4367 |
|
|
-0.2198 |
|
|
0.1827 |
|
|
-0.8928 |
|
|
0.6741 |
Homework Answers
Answer #1
Solution:
| X | Y | XY | X^2 | Y^2 |
| 50 | 21 | 1050 | 2500 | 441 |
| 80 | 35 | 2800 | 6400 | 1225 |
| 87 | 31 | 2697 | 7569 | 961 |
| 92 | 45 | 4140 | 8464 | 2025 |
| 118 | 50 | 5900 | 13924 | 2500 |
| n | 5 |
| sum(XY) | 16587.00 |
| sum(X) | 427.00 |
| sum(Y) | 182.00 |
| sum(X^2) | 38857.00 |
| sum(Y^2) | 7152.00 |
| Numerator | 5221.00 |
| Denominator | 5613.91 |
| r | 0.9300 |
| r square | 0.8649 |
| Xbar(mean) | 85.4000 |
| Ybar(mean) | 36.4000 |
| SD(X) | 21.8687 |
| SD(Y) | 10.2684 |
| b | 0.4367 |
| a | -0.8928 |
The estimate 
= -0.8928
Not the answer you're looking for?
Similar Questions
Data on ICU hospitalization (X) and number of death (Y) for 5 days due to COVID-19...
Data on ICU hospitalization (X) and number of death (Y) for 5
days due to COVID-19 is given.
Date
In ICU (X)
Death (Y)
04/25
50
21
04/26
80
35
04/27
87
31
04/28
92
45
04/29
118
50
Total
427
182
Find estimate βˆ1
Question 9 options:
0.6741
-0.8928
0.1827
0.4367
-0.2198
Following data shows number of ICU admission (X) and number of death per day (Y) for...
Following data shows number of ICU admission (X) and number of
death per day (Y) for seven days due to COVID-19 virus. Calculate
the test value to test the hypothesis there is no significant
correlation between X and Y.
Day
ICU admission (X)
Death (Y)
1
21
2
2
15
5
3
26
6
4
30
12
5
35
15
6
25
9
7
40
18
Total
192
67
Question 15 options:
5.05
8.32
4.33
7.65
16.84
Person number X Value Y Value Person number X Value Y Value Person number X Value...
Person
number
X
Value
Y
Value
Person number
X
Value
Y
Value
Person number
X
Value
Y
Value
1
24
30
11
39
42
21
21
27
2
42
53
12
60
65
22
33
29
3
20
27
13
34
40
23
25
27
4
31
30
14
24
26
24
22
25
5
22
24
15
51
57
25
28
33
6
46
47
16
80
83
26
34
40
7
52
60
17
28
27
27
53...
Findings In a cohort of 2215 adults with COVID-19 who were admitted to intensive care units at...
Findings In a cohort of 2215 adults
with COVID-19 who were admitted to intensive care units at 65
sites, 784 (35.4%) died within 28 days, with wide variation among
hospitals. Factors associated with death included older age, male
sex, morbid obesity, coronary artery disease, cancer, acute organ
dysfunction, and admission to a hospital with fewer intensive care
unit beds.
Meaning This study identified
demographic, clinical, and hospital-level factors associated with
death in critically ill patients with COVID-19 that may be used to...
Here is a bivariate data set. x y 50 -36 17 129 39 58 19 91...
Here is a bivariate data set.
x
y
50
-36
17
129
39
58
19
91
31
84
45
22
18
80
30
92
8
175
Find the correlation coefficient and report it accurate to four
decimal places.
r =
The accompanying data represent the number of days absent, x, and the final exam score, y,...
The accompanying data represent the number of days absent, x,
and the final exam score, y, for a sample of college students in a
general education course at a large state university. Complete
parts (a) through (e) below.
LOADING...
No. of
absences, x
0
1
2
3
4
5
6
7
8
9
Final
exam score, y
88.9
86.4
83.7
81.5
78.9
73.2
63.7
71.8
65.1
66.8
PrintDone
Click the icon to view the absence count and final exam score...
The computer-science aptitude score, x, and the achievement score, y (measured by a comprehensive final), were...
The computer-science aptitude score, x, and the
achievement score, y (measured by a comprehensive final),
were measured for 10 students in a beginning computer-science
course. The results were as follows. Calculate the estimated
standard error of regression, sb1.
(Give your answer correct to two decimal places.)
x
4
16
20
13
22
21
15
20
19
16
y
18
18
23
35
28
27
26
29
16
26
You may need to use the appropriate table in Appendix B to...
6. Using the class data (see Blackboard file - "Class Survey Data - PSS-10 and GAS")...
6. Using the class data (see Blackboard file - "Class Survey
Data - PSS-10 and GAS") calculate the correlation between the GAS –
Goal disengagement and the GAS – Goal reengagement scores. Write
the results in a statistical statement.
7. Using the class data calculate the correlation between the
GAS – Goal disengagement and the PSS-10 scores. Write the results
in a statistical statement.
8. Using the class data calculate the correlation between the
GAS – Goal reengagement scores and...
Student Grades Student Test Grade 1 76 62 2 84 90 3 79 68 4 88...
Student Grades
Student
Test
Grade
1
76
62
2
84
90
3
79
68
4
88
84
5
76
58
6
66
79
7
75
73
8
94
93
9
66
65
10
92
86
11
80
53
12
87
83
13
86
49
14
63
72
15
92
87
16
75
89
17
69
81
18
92
94
19
79
78
20
60
71
21
68
84
22
71
74
23
61
74
24
68
54
25
76
97...
The following data represents the exam scores of students in Econ 220 VV22, which is one...
The following data represents the exam scores of students in
Econ 220 VV22, which is one of several sections of Econ 220 in a
college. You can take this as a sample.
Student
Score
1
82
2
70
3
50
4
60
5
75
6
65
7
55
8
80
9
85
10
90
11
95
12
94
13
35
14
40
15
65
16
95
17
91
18
55
19
65
20
76
21
86
22
96...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 3 minutes ago
asked 11 minutes ago
asked 12 minutes ago
asked 16 minutes ago
asked 23 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 2 hours ago
asked 2 hours ago
asked 2 hours ago
asked 2 hours ago
asked 2 hours ago