Question
In: Statistics and Probability
A Student is trying to calculate their final grade. The student estimates the their performance on...
A Student is trying to calculate their final grade. The student
estimates the their performance on the following table.
You must complete the table to receive any marks. (Use at least
five decimals when necessary)
| Category | Mark out of 100 | Proportion of Grade |
| Assignment | 71 | 0.22 |
| Quizzes | 85 | |
| Midterms | 32.5 | 0.22 |
| Final | 31 | 0.39 |
(a) What is the expected grade?
answer:
(b) What is the standard deviation of expected grade?
answer:
equation editor
%
(c) If a student expects to earn an additional $ 16.5 per year for each % point they scored on their final grade, and there was a cost of $ 400 for school fees, plus $ 650 for tuition. What is the expected profit from this course in their first year of work?
answer:
Solutions
orchestra answered 1 year agoRelated Solutions
A study was conducted to determine whether a the final grade of a student in an...
A study was conducted to determine whether a the final grade of
a student in an introductory psychology course is linearly related
to his or her performance on the verbal ability test administered
before college entrance. The verbal scores and final grades for
1010 students are shown in the table below.
Student
Verbal Score x
Final Grade y
1
62
72
2
60
76
3
76
93
4
60
69
5
77
88
6
27
31
7
80
96
8...
A study was conducted to detemine whether a the final grade of a student in an...
A study was conducted to detemine whether a the final grade of a
student in an introductory psychology course is linearly related to
his or her performance on the verbal ability test administered
before college entrance. The verbal scores and final grades for
1010 students are shown in the table below.
Student
Verbal Score xx
Final Grade yy
1
60
75
2
37
42
3
70
86
4
71
81
5
42
47
6
26
30
7
69
83
8...
A study was conducted to detemine whether a the final grade of a student in an introductory psychology course is linearly related to his or her performance
A study was conducted to detemine whether a the final grade of a student in an introductory psychology course is linearly related to his or her performance on the verbal ability test administered before college entrance. The verbal scores and final grades for 1010 students are shown in the table below.
Student
Verbal Score xx
Final Grade yy
11
3535
4141
22
8080
9292
33
5656
6363
44
3434
3636
55
6464
7474
66
3333
3535
77
5757
7070
88...
A study was conducted to determine whether the final grade of a student in an introductory...
A study was conducted to determine whether the final grade of a
student in an introductory psychology course is linearly related to
his or her performance on the verbal ability test administered
before college entrance. The verbal scores and final grades for 10
10 students are shown in the table below. Student 1 2 3 4 5 6 7 8 9
10 Score 75 43 37 53 64 62 43 64 75 55 Grade 81 85 98 71 64 65...
A study was conducted to determine whether the final grade of a student in an introductory...
A study was conducted to determine whether the final grade of a
student in an introductory psychology course, x, is linearly
related to his or her performance on the verbal ability test
administered before college entrance, y. The verbal scores and
final grades for 1010 students are shown in the table below.
Student
Verbal Score
Final Grade
1
64
76
2
50
56
3
34
43
4
38
49
5
49
59
6
56
70
7
57
68
8
72...
A study was conducted to determine whether the final grade of a student in an introductory...
A study was conducted to determine whether the final grade of a
student in an introductory psychology course is linearly related to
his or her performance on the verbal ability test administered
before college entrance. The verbal scores and final grades for all
10 students in the class are shown in the table below.
Student
Verbal Score ?x
Final Grade ?y
11
3636
9090
22
7474
8484
33
4848
8686
44
7474
6868
55
8080
7676
66
2828
9191
77...
A study was conducted to determine whether the final grade of a student in an introductory...
A study was conducted to determine whether the final grade of a
student in an introductory psychology course is linearly related to
his or her performance on the verbal ability test administered
before college entrance. The researchers hypothesized the linear
model y=β0+β1xy=β0+β1x, where xx is the score on the verbal ability
test and yy is the final grade in the psychology course. The verbal
scores and final grades for students are shown in the table
below.
Student
1
2
3...
A study was conducted to determine whether the final grade of a student in an introductory...
A study was conducted to determine whether the final grade of a
student in an introductory psychology course is linearly related to
his or her performance on the verbal ability test administered
before college entrance. The verbal scores and final grades for
1010 students are shown in the table below.
Student
Verbal Score xx
Final Grade yy
1
43
87
2
60
67
3
29
77
4
73
100
5
52
88
6
26
89
7
47
73
8
44...
A study was conducted to determine whether the final grade of a student in an introductory...
A study was conducted to determine whether the final grade of a
student in an introductory psychology course is linearly related to
his or her performance on the verbal ability test administered
before college entrance. The verbal scores and final grades
for 10 students are shown in the table below.
Student / Verbal Score x / Final Grade
y
1 / 42 / 88
2 / 68 / 65
3 / 31 / 83
4 / 68 / 64
5...
A study was conducted to determine whether the final grade of a student in an introductory...
A study was conducted to determine whether the final grade of a
student in an introductory psychology course is linearly related to
his or her performance on the verbal ability test administered
before college entrance. The verbal scores and final grades for 10
students are shown in the table below.
Student 1 2 3 4 5 6 7 8 9 10
Score 65 42 32 43 59 73 31 25 74 71
Grade 79 63 85 93 93 79 86...
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