Annamalai University 2008-2nd Year B.Com " 231 / 620 / 630BUSINESS STATISTICS " Part IV I ( Common with International Banking and Accounting and Finance ) - Question Paper
Register Number:
Name of the Candidate :
5 14 7 B.Com. DEGREE EXAMINATION, 2008
(SECOND YEAR)
( PART - IV )
(PAPER -1)
231 / 620 / 630. BUSINESS STATISTICS
( Common with B.Com. International Banking and B.Com. Accounting and Finance )
December ] [ Time : 3 Hours
Maximum : 100 Marks
SECTION - A (5x2= 100)
Answer any FIVE questions.
All questions carry equal marks.
1. (a) How is Statistics used in solving certain problems in Commerce ?
(b) Explain the precautionary steps to be taken before making use of secondary data.
2. (a) Explain the different kinds of classifications and give examples.
(b) Draw a suitable diagram for the following data related to the percentage expenditures on various items.
Agriculture and Rural
Development - 12-9 %
Irrigation, etc - 12-5%
Electricity - 27-2 %
Industry and Minerals - 15-4 %
Transport, Communication, etc - 15-9%
Social Services and Others - 16-1 %
3. (a) Write the properties of an ideal average.
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6lflurjlil6(61Tjffi(ff) X = 10 6T6g)JLb <3uiTFJ Y - 6BT
LD i U, U 6 6 6SffT 6 cS .
|
X |
4 |
8 |
12 |
16 |
20 |
24 |
26 |
|
Y |
15 |
24 |
38 |
51 |
55 |
65 |
80 |
7. <90 fibrTSUaQajlTLlt 6Ulf|.?ffi6rT6ST J5rT6BT(S) 2_ njJUL|66TT urfjrfjl siSlsurflsBflB.
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Ch) anxilQ.srrrTsrfl.
Qu06(s)lsrrrTsrfl.
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(olurT06TT |
1985- sb Slfl , 60 (0.) |
H6TT61| |
2002 - eo Slfl , 60 (0.) |
|
<9- ft <56 <56 ( rr |
3-0 |
20 Kg. |
4-0 |
|
LDIT 61_| |
1-5 |
40 Kg. |
1-6 |
|
unsb |
1-0 |
10 Kg. |
1-5 |
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uujsjrumllem" 6T(Lgi, Hlsifl 61T61T (o|61I61I<361I gU 611, 6 LLI IT 6ST Slfl S3 r&l B, 6TT <5b 6 6SffT 6 cS LD (Lp, IT) 6, 61T 6lfl6TT6(S)6.
(b) Compute Arithmetic Mean and Geometric Mean for the following frequency distribution.
|
X |
F |
|
10 - 14 |
5 |
|
15 - 19 |
12 |
|
20 - 24 |
28 |
|
25 - 29 |
30 |
|
30 - 34 |
15 |
|
35 - 39 |
8 |
|
40-44 |
2 |
4. (a) Define skewness and describe any one method of measuring its coefficient.
(b) Compute Karl Pearsons coefficient of skewness for the distribution.
5. Define correlation between two variables and
compute the Karl Pearsons coefficient of correlation for the data given below.
|
X |
4-5 |
8-1 |
10-3 |
12-5 |
160 |
20-5 |
21-0 |
24-5 |
|
Y |
150 |
165 |
184 |
205 |
210 |
225 |
240 |
264 |
() |j] 6ST 6U (TF, LD U tj 6U 6 0, 6 n IT 6TJ L_S1 UJ IT ff1 6cf) 6BT G 6 IT ll l_ 6 Q 6 (Lg 61 6BT 6 6 6SffT 6 l .
5. 0 LD IT l]51 6 (6TTj 6 .S, l_ LU IT 6BT ffj ll IT) SiSI, 6BT 6U, [J LU, IT)
(olcfLLISJ, Lil6BTeU0LD 61<ilurrr5l6(eiT36g| 6mt6ij LilLLirrS6cfl6BT f} L- @ jD 6l| a (ol 6 (Lg 61 6ST 6 6 6SffT 6 l .
|
X |
4-5 |
8-1 |
10-3 |
12-5 |
160 |
20-5 |
21-0 |
24-5 |
|
Y |
150 |
165 |
184 |
205 |
210 |
225 |
240 |
264 |
anxLlQiSrrrrarfl lid it) rrj ld , Qi_i0a&(ffjlairjrTairf) ,.1 LLI SLI 17} IT) 6 6 655fl 6 6 .
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Q 0 (Lp, ff) llfl, 65T Sl51 SIT 6 (ffj .
|
below, interpolate y for x =10. | ||||||||||||||||
|
7. Explain all the four components of a time
series.
8. From the following data compute price index applying :
(a) Arithmetic mean
and (b) Geometric mean.
|
Commodity |
Price in 1985 Rs. |
Quantity |
Price in 2002 Rs. |
|
Sugar |
3-0 |
20 Kg. |
4-0 |
|
Flour |
1-5 |
40 Kg. |
1-6 |
|
Milk Powder |
1-0 |
10 Kg. |
1-5 |
9. Define Vital Statistics. Write its uses and describe the methods of obtaining various rates of Vital Statistics.
10. Compute the gross and net reproduction rates from the data given below.
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6jGa6g!jLb ggri>j oil 6st it a a (6rjj a ( sil a0a.
65T B) 6lil6BTiraa(6TTjag|Lb ffLD LDilj(olU6Wyra61T.
(5x2= 100)
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Ctt) @ rr 6OTT l_ IT LD r! 60 L| 61T 6lfl 6l51 U tj lil a, 6IT U u lli 6bt uQajgjeLiajiTigi (Lp 6bt urras a, i_ l5] ii|_ a a <3 6LI 6OTT L|_ LLI (Lp 6BT (ol 6BT | ifl S , 8
i5L6Liii|_alaal6iTu u it) n5) eiil 6li if) a a.
2. (*5h) 6U, 46 LJ U &, 4FJ a> 6l51 6BT (ol 6U 611 <3 SU gj (J, jD 6,
2_ff)nrr6Sffrr5l6(6n3l_6BT eiilesJlflaa.
() (ol 6U 611 <3 6U njj 1 6BT ril 6 (6TTj 6 6 n 6BT (ol ff1 60 6L| (olajiTLLiLb sff)6if jT) rfl uj eiilurrriiaeiT (bQlq
Q6IT(5a6UUll(56iT6TT61J IT) l]51 lt)g| (ol U IT 0 ff) ff) LD IT 6BT 6lil 61T a a U LJ L LD 6U, [J a.
eJleunaLULb mrrifpjLb, ssrrrrsB
eu ott ,#1 - 12-9%
LJ IT F 6BT LD, ) S) [T 6U, a lifl 6TJ - 12-5 %
L6l6BTSITrrLb - 27-2 %
(ol ff) IT Lj51 IT) .9613 LD jT) fpj LD ,
6 6cflLD6LI6TTLb - 15-4 %
GurTffieurrff), QswigQigrTLifLi,
) 5 rr 6U, a u51 6tj 15-9 %
sLpa (5611 ld jT) rpj ld ) 5 rr
6U, a u51 6tj - 16-1 %
3. (*h) <90 cflffjrijaj rr it rfl a 0 rfl lli u6rorL|a6iT
Turn over
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Attachment: |
| Earning: Approval pending. |
