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ASSIGNMENT
DRIVE fall
2016
PROGRAM BBA
109
SEMESTER I
SUBJECT
CODE & NAME BBA109 QUANTITATIVE TECHNIQUES IN BUSINESS
BOOK ID B1500
CREDITS 2
MARKS 30
MARKS
Note: Answer all
questions. Kindly note that answers for 10 marks questions should be
approximately of 400 words. Each question is followed by evaluation scheme.
Q1. What do you mean by primary data? What are the
various methods of collecting primary data?
Meaning of Primary data
Methods of collecting primary data?
Answer:
Primary data are first hand
informations. These informations are collected directly from the source by
means of field studies. Primary data are original and are like raw materials.
It is the most crude form of information. The investigator himself collects
primary data or supervises its collection.
Ques2 Write short notes on
a. Drafting Questionnaire
b. Quartile deviation
c. Applications of Time Series Analysis
d. Sampling and Non-Sampling Errors
Ans a. Drafting Questionnaire
The
„questionnaire‟ is a proforma containing a sequence of questions relevant to a
statistical enquiry. Since the questionnaire is the only medium of
communication between the investigator and the respondents, it must be designed
or drafted with utmost care and caution so that all
Ques3 a. Explain the meaning of Weighted Index
Numbers.
b. Information of sales price per unit of different
commodities for two different years is given in following table-
|
Commodities
|
2010
|
2016
|
||
|
Price Quantity
|
Price Quantity
|
|||
|
A
|
20
|
5
|
25
|
3
|
|
B
|
30
|
8
|
45
|
5
|
|
C
|
10
|
12
|
20
|
8
|
|
D
|
15
|
10
|
16
|
10
|
Ans
When all
commodities are not of equal importance. We assign weight to each commodity
relative to its importance and index number computed from these weights is
called weighted index numbers.
Laspeyre’s Index Number:
In this index
number the base year quantities are used as weights, so it also called base
year weighted index
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