Punjab University Solved Past Papers

We are living in Chandigarh. My sister is doing B.Com from Punjab University. She is in first year. Exam dates for first year B.Com Program has released, so she need solved question papers for preparation. Tell me Can she download solved question papers from website of Punjab University?

I am in 1st Year of B.Com Course of Punjab University Chandigarh. The University has released time table for this year examinations, so I need solved question papers of past year examinations. So can anybody give link to download solved question papers of past year B.Com Course of Punjab University Chandigarh?

[sumit]

As you want to download question paper of past year B.Com Course of Punjab University Chandigarh, so here I am providing question paper:

Punjab University Chandigarh B.Com 1st Year Question Paper:
Business Statistics (Compulsory)

1. (a) discuss Rank method to obtain coefficient of correlation. 04
(b) From the subsequent data, obtain the coefficient of correlation ranging from Fathers
06 height (x) and their Sons height (y) by product moment method.

Fathers height (x) 65 66 67 67 68 69 70 72
Sons height (y) 67 68 65 68 72 72 69 71

(c) obtain Yules coefficient of association from the subsequent data. 04
N = 200, (A) = 80, ( ? ) = 120 and (AB2) = 20 OR15

1. (a) State the properties of coefficients of regression. 04


(b) If the equations of 2 regression lines are y = 4x + 40 and x =
(i) Means of x and y
(ii) 2 coefficients of regression and
(iii) Coefficient of correlation.
y + 19 , obtain 06

(c) Discuss the meaning of Q = + 1, 1 and 0. 04

2. (a) What is time series ? Discuss the different components of it. 04
(b) From the subsequent data, find short term variations by using 3 yearly moving 06 avg. method.
(c) compute seasonal Indices from the subsequent data.

OR

2. (a) What is Business forecasting ? Discuss its importance. 04
(b) The technology matrix for 2 industries A and B are as follows. 06
(c) If the final demands are 740 and 500 respectively, obtain the total production. Fit a straight line to the subsequent data. Estimate the sales for the year 2005.

3. (a) What is Interpolation and Extrapolation ? Discuss its importance.
(b) From the subsequent data, find the value of log 45 by using improper method of 06 interpolation.
log 40 = 1.6021, log 48 = 1.6812 and log 50 = 1.6990

(c) The population of city is 3,00,000 and of them 40% are females. 45% females of total 04 females are in child bearing age. If the birth rate of that city is 32, estimate the number of children that will born during the next year.

OR

3. (a) discuss registration method to find vital statistics. 04
(b) From the subsequent data, obtain crude and standarised death rates of 2 cities and 06 compare them.