Tamil Nadu Open University (TNOU) 2009-2nd Year B.Com .>>BUSINESS STATISTICS>>E .>> - Question Paper
B.Com. DEGREE exam –
JUNE 2009.
(AY 2004–05 batch onwards)
Second Year
BUSINESS STATISTICS
Time : three hours Maximum marks : 75
part A — (3 ´ five = 15 marks)
ans any 3 ques..
All ques. carry equal marks.
1. elaborate the functions of Statistics?
2. define the various measures of dispersion.
3. State the general rules for constructing statistical
diagrams.
4. obtain out the Rank Correlation Coefficient of the
subsequent data :
Individuals : A B C D E F
Rank I : one two three four five 6
Rank II : six four six two 2 3
5. compute five Yearly moving avg. :
Year No. of
Student
Year No. of
Student
1987 500 1992 370
1988 450 1993 600
Year No. of
Student
Year No. of
Student
1989 350 1994 640
1990 540 1995 620
1991 450 1996 750
part B — (4 ´ 15 = 60 marks)
ans any 4 ques..
All ques. carry equal marks.
6. discuss the different sources of data collection.
7. obtain the Median from the subsequent data :
x : 0 – 10 10 – 15 15 – 20 20 – 30
f : 10 10 10 35
x : 30 – 35 35 – 40 40 – 50
f : 20 20 25
8. compute Co–efficient of Mean deviation from the
subsequent data :
x : 0 – 10 10 – 20 20 – 30 30 – 40
f : five eight 12 15
x : 40 – 50 50 – 60 60 – 70 70 – 80
f : 20 14 12 6
9. calculate the product moment Correlation
Co–efficient for the subsequent scores :
X : 10 16 14 11 13 16 15 15 14 18
Y : nine 11 16 15 15 14 16 14 13 14
10. obtain the 2 Regression line X on Y and Y on X
X : 40 38 35 42 30
Y : 30 35 40 36 29
11. compute Fisher’s ideal index from the subsequent
data and prove that it satisfies time reversal test.
2007 2008
Commodity : p q p q
A eight 10 10 12
B 10 12 12 8
C five eight five 10
D four nine three 20
E 20 10 25 6
12. Fit a pattern line to the subsequent data and compute
pattern values.
Year : 2001 2002 2003 2004 2005 2006
Sales (’000) : 25 29 38 42 45 53
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ws 3
UG-720 BCO-24B.Com. DEGREE EXAMINATION -JUNE 2009.
(AY 2004-05 batch onwards)
Second Year
BUSINESS STATISTICS
Time : 3 hours Maximum marks : 75
SECTION A (3 x 5 = 15 marks)
Answer any THREE questions.
All questions carry equal marks.
1. What are the functions of Statistics?
Ujn0a?
2. Describe the different measures of dispersion. u*Sp U<s Af0a<sOT
3. State the general rules for constructing statistical diagrams.
eotot Qux
VOT Tpffi.
4. Find out the Rank Correlation Coefficient of the following data :
Individuals : A B C D E F Rank I: 1 2 3 4 5 6 Rank II : 6 4 6 2 2 3
RpUffiSh jrnkpi Qffi
{u : A B C D E F
I : 1 2 3 4 5 6
II : 6 4 6 2 2 3
5. Calculate 5 Yearly moving average :
|
Year No. of Student |
Year No. of Student |
500
1992
370
1987
|
Year |
No. of Student |
Year |
No. of Student |
|
1989 |
350 |
1994 |
640 |
|
1990 |
540 |
1995 |
620 |
|
1991 |
450 |
1996 |
750 |
|
5 bw@U@ {<S0 ffijn\ifl<sOT<s anUQ. | |||
|
Bs |
naiii GiSifllU<0P |
Bs |
mOTaiir G U0P |
|
1987 |
500 |
1992 |
370 |
|
1988 |
450 |
1993 |
600 |
|
1989 |
350 |
1994 |
640 |
|
1990 |
540 |
1995 |
620 |
|
1991 |
450 |
1996 |
750 |
SECTION B (4 x 15 = 60 marks)
Answer any FOUR questions.
All questions carry equal marks.
6. Explain the various sources of data collection.
L_OT<1 Gffffilflu UGp |OT<S0.
7. Find the Median from the following data :
x : 0 - 10 10 - 15 15 - 20 20 - 30 f: 10 10 10 35
x : 30 - 35 35 - 40 40 - 50 f : 20 20 25
RGi QffinkUffiuumkOTOT CL|
x : 0 - 10 10 - 15 15 - 20 20 - 30 f : 10 10 10 35
x : 30 - 35 35 - 40 40 - 50 f : 20 20 25
8. Calculate Co-efficient of Mean deviation from the following data :
x : 0 - 10 10 - 20 20 - 30 30 - 40
f : 5 8 12 15
x : 40 - 50 50 - 60 60 - 70 70 - 80 f : 20 14 12 6
RGi Q<snU<suuL@OTOT L aiji<s>U0 U<s Q<sa sSi
x : 0 - 10 10 - 20 20 - 30 30 - 40 f: 5 8 12 15
x : 40 - 50 50 - 60 60 - 70 70 - 80 f : 20 14 12 6
9. Compute the product moment Correlation Co-efficient for the following scores :
X : 10 16 14 11 13 16 15 15 14 18
Y : 9 11 16 15 15 14 16 14 13 14
VUQuS<sU0 C_Gwwot Qu0u<s e
X : 10 16 14 11 13 16 15 15 14 18
Y : 9 11 16 15 15 14 16 14 13 14
10. Find the two Regression line X on Y and Yon X
X : 40 38 35 42 30
Y : 30 35 40 36 29
Cs QphL GuUs G<sli_ Y x X 0p X x Y <ss@i.
X : 40 38 35 42 30
Y : 30 35 40 36 29
11. Calculate Fishers ideal index from the following data and prove that it satisfies time reversal test.
2007 2008
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
53 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Q<snU<suuL@OTOT aiiji<s>U0 sp
iitU<s p GuUs Gslotl aiij<s. }si_ Gun'U0<sOT sSi.
Bs : 2001 2002 2003 2004 2005 2006
0u* (000) : 25 29 38 42 45 53
7 UG-720
|
Attachment: |
| Earning: Approval pending. |
