Jawaharlal Nehru Technological University Hyderabad 2010-1st Sem M.B.A Code No:21003 -ester Supplementary s RESEARCH METHODOLOGY AND STATISTICAL TOOLS - Question Paper

Code No:21003
JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD
MBA-I Semester Supplementary exams July 2010
RESEARCH METHODOLOGY AND STATISTICAL TOOLS
Time: 3hours Max.Marks:60
ans any 5 ques.
All ques. carry equal Marks
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1. What is pure research and what is applied research? How do they complement
and differ from every other?
2. elaborate the different methods of collecting primary data? elaborate the
advantages and disadvantages associated with each?
3. What is the concept of reliability and validity of a scale? What other criteria the
scale should fulfill?
4. elaborate the requirements of a good average? Compare the mean, mode and the
median in the light of these requirements.
5. Determine the lowest square regression line of
(a) y on x
(b) x on y
(c) obtain the correlation coefficient r using the regression coefficients
(d) obtain y(8)
(e) obtain x(16).
6. A random sample of 10 boys had the subsequent I.Q's
70, 120, 110, 101, 88, 83, 95, 98, 107 and 100.
Does this data support the assumption of a population mean I.Q of 100.
7. The western natural Gas Company has supplied 18,20,21,25 and 26 billion cubic
feet of gas, respectively, for the years 1988 to 1992.
a) obtain the linear estimation formula that best defines these data.
b) compute the percent of pattern for these data.
c) compute the relative cyclical residual for these data.
d) In which years does the largest fluctuation from pattern occur, and is it the
identical for both methods.
8. 'Research Report is the culmination of social science research'. Comment on the
statement underlining the primary nature of research report.
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R07

Earning:   Approval pending.