Question
A random sample of 9 biology students produced the following data, first test score, x second...
A random sample of 9 biology students produced the following data,
| first test score, x | second test score, y |
| 17 | 70 |
| 11 | 99 |
| 52 | 48 |
| 43 | 93 |
| 32 | 91 |
| 43 | 99 |
| 25 | 48 |
| 52 | 65 |
| 78 | 58 |
where x measures the first test score and y measures the second test score. What is the estimate of the y = a x + b regression intercept coefficient?
Homework Answers
Answer #1
please like ??
Not the answer you're looking for?
Similar Questions
A random sample of 9 biology students produced the following data, first test Score, x second...
A random sample of 9 biology students produced the following
data,
first test Score, x
second test Score, y
22
30
53
37
67
10
69
38
68
21
91
82
98
28
46
36
16
27
where x measures the first test score and y measures the second
test score. What is the estimate of the y = a x + b regression
slope coefficient?
A random sample of 9 statistics students produced the following data, 1 Score, x 2 Score,...
A random sample of 9 statistics students produced the following
data,
1 Score, x
2 Score, y
47
30
70
86
65
17
46
10
58
63
57
25
81
37
27
30
69
20
where x measures the 1 score and y measures the 2 score. What is
the estimate of the y = a x + b regression intercept
coefficient?
A random sample of 9 statistics students produced the following data, MTE Score, x FE Score,...
A random sample of 9 statistics students produced the following
data,
MTE Score, x
FE Score, y
78
21
38
92
56
74
15
70
60
80
83
41
72
33
63
77
43
64
where x measures the mte score and y measures the fe score. What
is the estimate of the y = a x + b regression intercept
coefficient?
A random sample of 9 statistics students produced the following data, ME Score, x FE Score,...
A random sample of 9 statistics students produced the following
data,
ME Score, x
FE Score, y
48
74
75
67
22
36
49
64
16
49
25
90
80
29
44
30
61
46
where x measures the me score and y measures the fe score. What
is the estimate of the y = a x + b regression slope
coefficient?
A random sample of 9 statistics students produced the following data, 1 Score, x 2 Score,...
A random sample of 9 statistics students produced the following
data,
1 Score, x
2 Score, y
66
29
67
66
97
81
22
87
46
13
37
57
71
18
13
67
40
87
where x measures the 1 score and y measures the 2 score. What is
the estimate of the y = a x + b regression slope coefficient?
The following data on x = score on a measure of test anxiety and y =...
The following data on x = score on a measure of test
anxiety and y = exam score for a sample of n = 9
students are consistent with summary quantities given in a paper.
Higher values for x indicate higher levels of anxiety.
Compute the value of the correlation coefficient. (Give the answer
to four decimal places.)
r =
x
23
14
14
0
16
19
19
15
20
y
43
60
49
78
50
51
45
51
52
The following data on x = score on a measure of test anxiety and y =...
The following data on x = score on a measure of test
anxiety and y = exam score for a sample of n = 9
students are consistent with summary quantities given in a paper.
Higher values for x indicate higher levels of anxiety.
Compute the value of the correlation coefficient. (Give the answer
to four decimal places.)
r =
x
23
14
14
0
16
19
19
15
20
y
43
60
49
78
50
51
45
51
52
Test score of 40 students are listed below. Find the percentile for the test score of...
Test score of 40 students are listed below. Find the percentile for
the test score of 66.
30 35 43 44 47 48 54 55 56 57
59 62 63 65 66 68 69 69 71 72
72 73 74 76 77 77 78 79 80 81
81 82 83 85 89 92 93 94 97 98
The test scores of 30 students are listed below. Find the five-number summary. 31 41...
The test scores of
30 students are listed below. Find the five-number summary.
31
41 45
48
52
55
56
58
63
65
67
67 69
70
70
74
75
78
79
79
80
81 83
85
85
87
90
92
95
99
Find the
percentile that corresponds to a score of 74....
A statistics professor would like to build a model relating student scores on the first test...
A statistics professor would like to build a model relating
student scores on the first test to the scores on the second test.
The test scores from a random sample of 21 students who have
previously taken the course are given in the table.
Test Scores
Student
First Test Grade
Second Test Grade
1
50
70
2
91
58
3
55
74
4
58
65
5
79
60
6
70
60
7
97
48
8
51
73
9
51
73...
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 1 minute ago
asked 28 minutes ago
asked 30 minutes ago
asked 51 minutes ago
asked 56 minutes ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago
asked 1 hour ago