Vikram University 2007 B.Com Business Statistics(Second ) - Question Paper

VIKRAM UNIVERSITY, UJJAIN
B.COM. (PART II) EXAMINATION, 2006
(BUSINESS MANAGEMENT)
Paper 2nd : Business Statistics
Time : 3 Hours Maximum Marks : 75

Note : Attempt all the 5 ques.. 1 ques. from every unit is compulsory. All ques. carry equal marks. Graph paper will be supplied on demand.

UNIT I
1. describe Statistics. explain its scope and limitations.
Or
obtain out the value of Median and Mode from the subsequent data:
Central Point 10 20 30 40 50 60
Frequencies 30 40 15 25 38 35

UNIT II
2. From the subsequent data obtain out coefficient of correlation :
x 58 50 62 60 63 56 60 59 61 51
y 115 110 121 120 124 112 118 115 118 107
Or
Construct the Fisher’s Index Number from the subsequent data:

Items Base Year Current Year
Price per Unit
(Rs.) Total Expenditure
(Rs.) Price per Unit
(Rs.) Total Expenditure
(Rs.)
1
2
3
4 2
4
1
5 40
16
10
25 5
8
2
10 75
40
24
60

UNIT III
3. From the subsequent table of Price in Rs. obtain the slope of a straight line pattern by the method of lowest square and fit the pattern :
Year 2001 2002 2003 2004 2005
Price 107 110 114 114 115
Or
elaborate the components of a Time Series ? explain the importance and analysis of time series.

UNIT IV
4. What is Business Forecasting ? discuss those statistical methods which help in Business Forecasting.
Or
“Business forecasting is the eyes of modern business.” Comment upon this statement and point out the limitations of Business forecasting.

UNIT V
5. (a) 4 playing cards are drawn without replacement. What is the probability that they are 4 aces ?
(b) In how many ways can the letters of the word ‘STATISTICS’ be organizes separately?
Or
define the Mathematical and Statistical definition of Probability. define mutual exclusive event and independent event with examples.

Earning:   Approval pending.