Assignment # 2
MTH302 (Spring 2013)
Total marks: 20
Lecture # 22 to 30
Due date: 03-07-13
DON’T MISS THESE Important instructions:
Upload assignments properly through LMS, (No Assignment will be accepted through email).
All students are directed to use the font and style of text as is used in this document.
This is an individual assignment, not group assignment, so keep in mind that you are supposed to submit your own, self made & different assignment even if you discuss the questions with your class fellows. All similar assignments (even with some meaningless modifications) will be awarded zero marks and no excuse will be accepted. This is your responsibility to keep your assignment safe from others.
Above all instructions are for all assignments so may not be mentioned in future.
There are 2 questions in the assignment and all questions will be graded.
Solve the assignment on MS word document and upload your word files only. Do not solve the assignment on MS excel. If we get any assignment on MS excel or any format other than word file then it may not be graded.
Q#1:
Using the co-efficient of variation, determine whether or not there is greater variation among the prices of certain similar commodities, than among the life in hours under test.
Prices in Rupees: 8, 13,18,23,30, Life in hours: 130,150,180,250,350
Q#2:
Grades of Punjab University students in the final thesis of BS-project according to the number of hours of study are recorded as follows:
Students
No. of hours(X)
Grades(Y)
1
1
60
2
2
65
3
2
70
4
4
81
5
5
85
6
7
89
7
7
95
8
8
80
9
9
82
10
9
92
(a)Compute coefficient of Correlation.
(b)Determine whether the coefficient of correlation is positive, negative or there is no correlation between the measured values.
MTH302 (Spring 2013)
Total marks: 20
Lecture # 22 to 30
Due date: 03-07-13
DON’T MISS THESE Important instructions:
Upload assignments properly through LMS, (No Assignment will be accepted through email).
All students are directed to use the font and style of text as is used in this document.
This is an individual assignment, not group assignment, so keep in mind that you are supposed to submit your own, self made & different assignment even if you discuss the questions with your class fellows. All similar assignments (even with some meaningless modifications) will be awarded zero marks and no excuse will be accepted. This is your responsibility to keep your assignment safe from others.
Above all instructions are for all assignments so may not be mentioned in future.
There are 2 questions in the assignment and all questions will be graded.
Solve the assignment on MS word document and upload your word files only. Do not solve the assignment on MS excel. If we get any assignment on MS excel or any format other than word file then it may not be graded.
Q#1:
Using the co-efficient of variation, determine whether or not there is greater variation among the prices of certain similar commodities, than among the life in hours under test.
Prices in Rupees: 8, 13,18,23,30, Life in hours: 130,150,180,250,350
Q#2:
Grades of Punjab University students in the final thesis of BS-project according to the number of hours of study are recorded as follows:
Students
No. of hours(X)
Grades(Y)
1
1
60
2
2
65
3
2
70
4
4
81
5
5
85
6
7
89
7
7
95
8
8
80
9
9
82
10
9
92
(a)Compute coefficient of Correlation.
(b)Determine whether the coefficient of correlation is positive, negative or there is no correlation between the measured values.
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