# Thread: MTH302 Assignment 2 Solution July 2010

1. ## MTH302 Assignment 2 Solution July 2010

Question 1:

For the following values of x and y, calculate slope and intercept.

y x

10 3
13 5
23 7
25 9
40 10
42 12
45 15

Question: 2

Find the shape of distribution (i.e. it is positively-skewed distribution or negatively-skewed distribution) using 5-number summary of the following data.

15,10,14,21,16,18,22,27,25,24,29,30

Question: 3

The data of following table gives the weekly maintenance cost (Rupees) to the age (in months) of 5 machines of similar type in a manufacturing company.

Age (X) 5 15 30 50 60
Cost (Y) 190 250 310 350 395

Find linear regression equation, y = ax + b, where a is the slope and b is the y-intercept.

Question 4:

If FC=2540; VC=120; S=168 and capacity = 278 units, then what are the unit sales if there is net loss of Rs. 2
90.

Question 5:

Following is the sale records broken down quarterly

MTH302.JPG

By using seasonal variation find the forecast sale for year 2008 (of all quarters).

Solution:

solution of MTH302.doc

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