Jawaharlal Nehru Technological University Kakinada 2010-1st Sem M.B.A Subject Code: MA103 [R05] Supplementary s, STATISTICS FOR MANAGEMENT - Question Paper

Time: three Hours

Max Marks: 60


ans any 5 ques. All ques. carry EQUAL marks


(1) (a) discuss the role of Statistics in Government and Business. Also mention the limitations
of statistics.
(b) define the functions of statistics and applications of statistics.

(2) (a) discuss tabulation of raw data and general rules of tabulation. How tabulation of data is
useful in classification of data.
(b) define different kinds of data. discuss various kinds of sampling procedures.

(3) (a) describe different measures of dispersion with merits and demerits.
(b) What is Normal Distribution? How a Normal Distribution is useful as measure of
dispersion.

(4) (a) discuss the components of time-series. What is the role of time-series in data analysis?
(b) discuss seasonal variations, cyclical variations and irregular variations in a time-series
data.

(5) (a) discuss correlation. elaborate different kinds of correlations and their specific
applications?
(b) What is regression? discuss coefficient of determination. What is the relation ranging from
`coefficient of correlation and coefficient of determination?

(6) (a) define different kinds of Index Numbers. elaborate the basic requirements for an
index number?
(b) discuss ideal index number and general index number. discuss the issues in using
index number.

(7) (a) discuss Null hypothesis and alternate hypothesis. discuss various tests of significance
for small samples.
(b) discuss chi-square test and ANOVA one-way classification Procedure.

(8) (a) What is the importance of diagrammatic representation of data? define the method of
construction of various bar diagrams.
(b) What is the importance of graphical representation of data? define the method of
construction of histogram and frequency polygon.

Earning:   Approval pending.