Posted Date: 06 Dec 2007      Posted By:: Deep Bargal    Member Level: Bronze  Points: 5 (₹ 1)

# 2007 Vikram University Commerce B.Com Business Statistics(Second paper) Question paper

 Course: B.Com University/board: Vikram University

VIKRAM UNIVERSITY, UJJAIN
B.COM. (PART II) EXAMINATION, 2006
Time : Three Hours Maximum Marks : 75

Note : Attempt all the five questions. One question from each unit is compulsory. All questions carry equal marks. Graph paper will be supplied on demand.

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

UNIT II
2. From the following data find 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 following 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 following table of Price in Rs. Find the slope of a straight line trend by the method of least square and fit the trend :
Year 2001 2002 2003 2004 2005
Price 107 110 114 114 115
Or
What are the components of a Time Series ? Discuss the importance and analysis of time series.

UNIT IV
4. What is Business Forecasting ? Explain 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) Four playing cards are drawn without replacement. What is the probability that they are four aces ?
(b) In how many ways can the letters of the word ‘STATISTICS’ be arranged separately?
Or
Describe the Mathematical and Statistical definition of Probability. Describe mutual exclusive event and independent event with examples.

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