Wednesday, August 31, 2016

• Wednesday, August 31, 2016

Roll No.
Total No. of Questions : 07
BBA (Sem.–3rd)
Subject Code : BB-304
Paper ID : [C0216]
Time : 3 Hrs.
INSTRUCTION TO CANDIDATES :
1. Section –A, is Compulsory.
2. Attempt any four questions from Section-B.

Section –A
QI)
a) What are the advantages of graphic presentation of data?
b) What are the general rules in construction of a statistical table?
c) What are the characteristics of a good measure of central tendency?
d) Explain the conditions under which the use of harmonic mean is more
suitable.
e) Define coefficient of variation.
f) What are the merits and demerits of Spearman's rank correlation
method?
g) What do you mean by regression analysis?
h) Define Index Number.
i) What are the uses of time series analysis?
j) What is classical approach to probability?

Section – B

2) Find out Arithmetic mean form the following data:
Wages (Rs.)                             f
103.5-107.5                             7
107.5-111.5                             18
111.5-115.5                             27
115.5-119.5                             49
119.5-123.5                             52
123.5-127.5                             23
127.5-131.5                             16
131.5-135.5                             5
135.5-139.5                             3

3) Calculate the value of Mean deviation from the mean using the following data
X:32, 21 38 25 20 32 34 28 40 29
Q.4) Find out Karl Pearson’s coefficient of correlation between wages and supply of labour in the labour market.
Wages(Rs.): 20 23 2-l 31 35 38 40 42
Labour Supply (in Numbers) : 18 20 24 30 32 34 36 38
Q5) From the following data, calculate index number 'for year' 2,007 in relation to prices in 2005.
Commodity:              A                B       C       D       E
Prices in 2005 (Rs.) :100              118    20      200    105
Prices in2007 (Rs.) : 105              12A   25     200   110
Q6) Calculate 3-year moving Average from the following data:
Q7)
Year: 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999
Production: 47 48 51 55 57 6t 65 70 76 84
Define Binomial Distribution. What are the properties of Binomial

Distribution?