The 2nd and lst assignment of MTH302 ststus iz open

**haseeb.ullah** · 01-12-2011, 04:47 AM

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Assignment # 2

MTH302 (Fall 2010)
Total marks: 10
Lecture # 22 to 33
Due date: January 17, 2011
DON’T MISS THESE Important instructions:
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• 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. Many solution files sent by students in assignment 1 are found to be copied and so awarded zero. You are therefore reminding here again.

• There are 5 questions in the assignment but only one question will be graded.

Question 1: (Non-graded)

Find a linear regression line y = ax + b (where a is the slope and b is the y-intercept)
for values of x and y given below.

y x

7 3
10 5
11 7
15 9

Question 2: (Non-graded)

Find Quartile Deviation of the following data.

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1,2,8,7,10,11,15,20,18,25

Question 3: (Graded) Marks 10

The table below shows the demand for a particular item in a shop for the last nine months.

Month Demand

1 10
2 12
3 13
4 17
5 15
6 19
7 20
8 21
9 20

Calculate a three month moving average. What would be your forecast for the demand in month ten?

Question 4: (Non-graded)

Calculate the coefficient of variation for data given below.
10, 12, 14, 16, 18, 20

Question 5: (Non-graded)
Calculate the mean, median, mode and range of the data given below.
0, 1, 2, 5, 9, 8, 3, 2, 6