Jawaharlal Nehru Technological University Hyderabad 2010-1st Sem M.B.A Banking & Insurance Code No: R9-13/ -ester Regular s- RESEARCH METHODOLOGY AND STATISTICAL ANALYSIS - Question Paper

Code No: R9-13/MBA
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MBA-I Semester Regular exams February -2010
RESEARCH METHODOLOGY AND STATISTICAL ANALYSIS
Time:3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal marks
- - -
1.a) Distinguish ranging from diagramatic and graphic representation of a data. provide the
important rules to be followed in constructing a suitable graph.
b) describe the subsequent terms
(i) Inclusive and exclusive series
(ii) Frequency and Tally marks
(iii) Raw-data and grouped data
(iv) Class limits and class boundaries.
2.a) Statistics is essentially an applied science. Its own justification lies in the help it can
provide in solving a issue. In the light of the above statement, discuss with illustrations,
how statistics can be helpful in solving business issues.
b) Outline the main differences ranging from quantitative and qualitative research in terms of
the relationship ranging from theory and data, epistemological considerations and
ontological considerations.
3.a) elaborate the criteria for good scale? discuss nominal scale, ordinal scale, interval scale
and ratio scale.
b) discuss the subsequent
(i) Indgement sampling
(ii) Schedule of ques.
(iii) Bibliography
4.a) describe simple and weighted geometric mean of a provided distribution. The weighted
geometric mean of 3 numbers 229, 275 and 125 is 203. The weights for 1st and
second number are two and four respectively. obtain the weight of the third.
b) The numbers examined, the mean weight and the standard deviation in every group of
exam and 2 medical examiners are provided beneath. obtain the mean weight and
standard deviation of both groups taken together.
Medical Examiner Number Examiner Mean weight in
Lbs
Standard deviation in
Lbs
A 50 113 6.5
B 60 120 8.2
5a) What do you understand by skewness? elaborate the different methods of skewness.
b) Compare and contrast the roles of correlation and regression in studying the
interdependence of 2 varieties.
Cont….2
Code No: R9-13/MBA ::2::
6.a) Ten students were provided intensive coaching for a month in statistic. The scores found
in tests one and five are provided below:
S.No of students one two three four five six seven eight nine 10
Marks in first test 50 52 53 60 65 67 48 69 72 80
Marks in fifth test: 65 55 65 65 60 67 49 82 74 86
b) From the subsequent compute the spearman’s rank correlation
Marks of
X college
48 33 40 09 16 16 65 24 16 57
Marks of
Y college
13 13 24 06 15 04 20 09 06 19
7.a) Fit a straight line pattern by the method of lowest squares to the subsequent data, assuming
that the identical ratio of change continuous, what would be the predicted earnings for the
year 2010?
Year 2002 2003 2004 2005 2006 2007 2008 2009
Earning’s
(in lakhs)
38 40 65 72 69 60 87 95
b) compute Laspeyren’s and Paasches aggregate price indices for the year 2006 from the
subsequent data:
Commodities volumes Price per unit
2005 2006 2005 2006
A three five 2.0 2.50
B four six 2.5 3.00
C two three 3.0 2.50
D one two 1.0 0.75
8. 5 kinds of fertilizers were applied to four varieties of potatoes, every planted on five
plots of land of the identical size and fertility. The yields ( in quintals) are shown in the
subsequent table:
Fertilizer
Potatoes
(1) (2) (3) (4) (5)
(A) 34 38 44 40 42
(B) 50 38 46 52 44
(C ) 42 36 50 46 48
(D) 38 44 52 36 42
Test whether (i) The effects of fertilizers and
(ii) The effects of potato varieties are significant on the yield of potatoes?

Earning:   Approval pending.