Bharathidasan University Commerce Bharthidhasan University, Business tools for decision making,B.com degree Examination, Second semester, November 2017 model question papers

Posted Date: 12 May 2020      Posted By:: Jannane.M    Member Level: Gold  Points: 3 (₹ 2)

# 2017 Bharathidasan University Commerce Bharthidhasan University, Business tools for decision making,B.com degree Examination, Second semester, November 2017 Question paper

 Course: B.Com University/board: Bharathidasan University

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 2016-2017 onwards)

B.com DEGREE EXAMINATION,NOVEMBER 2017.

Part III- Commerce - Computer - Application-Major

Time : Three hours Maximum : 75 marks

SECTION A - (10×2=20)

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)

16.Calculate mean,median,mode from the following data.

Age : 20-25 25-30 30-35 35-40 40-45 45-50 50-55 55-60
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 : 0-5 5-10 10-15 15-20 20-25 25-30 30-35 35-40
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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