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  #1  
Old June 28th, 2014, 04:55 PM
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Default Previous paper for SY BCOM exam

Can you give me question paper for second year B com Business Statistics examination of Pune university ?

Here I am giving you question paper for second year B com Business Statistics examination of Pune university in a PDF file attached with it .

1. A) Attempt any four of the following : (2 each)
a) Variance of a mesokurtic distribution is 4. Find 4 μ .
b) Explain the uses of time series.
c) Define extrapolation.
d) What is an unbalanced assignment problem ?
e) Define independence of two attributes.
f) Write dual of the following LPP :

B) Attempt any two of the following : (6 each)
a) Find the initial basic feasible solution of the following transportation problem
by North-West corner method. Also find its cost.
W1 W2 W3 W4 Capacity
F1 19 30 50 10 7
F2 70 30 40 60 9
F3 40 8 70 20 18
Demand 5 8 7 14

b) The first four moments of a distribution about the origin are 1, 4, 10 and 46
respectively. Obtain the various characteristics of the distribution on the
basis of this information. Comment upon the nature of the distribution on
the basis of skewness and kurtosis.
c) Calculate three yearly moving averages for the following data relating to
the number of beds occupied in a certain hospital during twelve months of
a year.
Months Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec
No. of beds 50 56 53 52 55 60 65 73 67 45 55 60

b) With a view to determine meteorological factors which give rise to significant
variation in yield per acre of crop, the observations on the following variables
were recorded
Y1 : Yield in kilograms
Y2 : Rainfall in mm
Y3 : Maximum temperature in °F.
The results obtained were as follows :
9214 . 103 Y1 = , 9714 . 93 Y2 = , 7357 . 99 Y3 =
4492 . 24 1 = σ , 4930 . 45 2 = σ , 9315 . 2 3 = σ
4104 . 0 12 = γ , 7357 . 0 13 − = γ , 2326 . 0 23 − = γ
i) Obtain the equation of plane of regression of Y1 on Y2 and Y3.
ii) Estimate Y1 when Y2 = 98 mm and Y3 = 90 °F.

4. Attempt any two of the following : (8 each)
a) Find the initial basic feasible solution of the following transportation problem
by VAM.
X Y Z Supply
A 11 21 16 14
B 7 17 13 26
C 11 23 21 36
Demand 18 28 25

b) i) Name the four components of a time series. Explain any one of them.
ii) Define :
I) Ultimate class frequencies.
II) Break even point.
III) Marginal cost.
IV) Cost function.


Pune university B com Business Statistics paper





Attached Files
File Type: pdf Pune university B com Business Statistics paper.pdf (1,004.7 KB, 45 views)

Last edited by Neelurk; February 15th, 2020 at 11:24 AM.
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  #2  
Old September 8th, 2020, 09:12 PM
Nidhi yadav
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Default Ask for exam

Mam rashtri gaurav ka exam Kab h
Bcom 3year 2020
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