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2017 Bharathidasan University Commerce Bharthidhasan University, Business tools for decision making,B.com degree Examination, Second semester, November 2017 Question paper
Are you looking for the old question papers of Bharthidhasan University of Business tools for decision making paper. Here is the previous year question paper from Bharthidhasan University. This is the original question paper from B.com of Business tools for decision making Second semester exam conducted in November 2017. Feel free to download the question paper from here and use it to prepare for your upcoming exams.
(For candidates admitted from 20162017 onwards)
B.com DEGREE EXAMINATION,NOVEMBER 2017.
Part III Commerce  Computer  ApplicationMajor
BUSINESS TOOLS FOR DECISION MAKING
Time : Three hours Maximum : 75 marks
SECTION A  (10×2=20)
Answer ALL questions
1. What is "Tabulation"?
2. What is "Harmonic mean"?
3. What is "Range"?
4. What is "Mean Deviation"?
5. What is "Rank Correlation"?
6. What is"Regression"? 7. What is meant by "Moving Average"?
8. What is the meaning of 'Time Series'?
9. Define 'Index number'.
10. What is"Time Reversal Test"?
SECTION B  (10×2=20)
Answer ALL questions ,either choosing (a) or (b)
11.(a)What are the differences between classification and tabulation?
Or
(b) Calculate Harmonic mean from the following data.
Size 10 13 15 20 25 28 30 Frequency :. 2 3 5 2 4 5 4
12.(a)Find mean deviation from the following data. 5,11,22,25,45,48,56,59,62,77
Or
(b)Find Karl Pearson's coefficient of skewness for the following data.
X : 10 18 30 18 16 6 2
13.(a) Calculate Rank Correlation from the following data.
X : 10 8 1 2 6 9 3 5 4 7 Y : 6 10 5 4 3 1 2 9 8 7
Or
(b) What are the uses of "Regression"?
14.(a) Calculate 4 yearly moving average of the given data.
Year : 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 Value : 100 105 115 90 95 85 80 65 75 70 75 80
Or
(b) From the following data , interpolate the value for the year 2004.
Year 1995 2000 2005 2010 2015 Sales 195 215 260 280 310 (in tonnes)
15.(a) Construct the cost of living index number.
Group A B C D E Index number 400 200 250 100 75 Weight 4 3 1 2 3
Or
(b)Construct the cost of living index number from the following data.
Commodity 2015 2016 price Quantity Price Quantity
A 7 10 9 12 B 8 15 10 13 C 5 21 7 20 D 11 30 12 35 E 9 20 11 21
SECTION C  (3×10=30) Answer any Three questions 16.Calculate mean,median,mode from the following data.
Age : 2025 2530 3035 3540 4045 4550 5055 5560 No.of people : 11 28 33 30 20 15 13 7
17.Calculate standard deviation and co efficient of standard deviation from the following data.
X : 05 510 1015 1520 2025 2530 3035 3540 f : 14 26 32 45 39 12 9 2
18.Calculate Karl Pearson's coefficient of correlation from the following data
Income(Rs.) :230 560 490 360 270 480 580 600 Expenses (Rs.) :200 440 350 250 240 300 420 550
19. Explain the components of time series.
20.Show that fisher's ideal index satisfies both the Time Reversal and factor reversal tests using the following data.
Commodity Base year current year P Q P Q
A 15 25 25 20 B 40 30 60 35 C 30 40 50 38 D 10 10 20 12 E 30 15 40 12
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