Annamalai University 2007 B.A Economics Statistics - Question Paper

B.A. DEGREE EXAMINATION, 2007
( ECONOMICS )
( 2nd YEAR )
( PART - III )
( PAPER - IV )
640. ECONOMICS STATISTICS
( Ancillary )
( Including Lateral Entry )

Maximum : 100 Marks
ans any five
All ques. carry equal marks.
1. describe statistics and define the importance
of statistics for economic analysis and planning.
2. Bring out the differences ranging from primary and
secondary data and discuss the requisites of
a good questionnaire.
3. Distinguish ranging from classification and tabulation
of data and discuss the essential parts of a
statistical table.
4. discuss the rules for construction of diagrams
and illustrate how line and bar diagram has
to be drawn ?
5. discuss the properties of arithmetic mean and
compute arithmetic mean for the subsequent
data :
x y
100 - 120 10
120 - 140 8
140 - 160 4
160 - 180 4
180 - 200 3
200 - 220 1
220 - 240 2
6. Bring out the differences ranging from dispersion
and skewness. compute Karl Pearsons
co-efficient of skewness for the subsequent :
x y
1 12
2 18
3 35
4 22
5 18
7. compute the correlation co-efficient for the
subsequent data :
x y
12 14
9 8
8 6
10 9
11 11
13 12
7 8
8. describe the term association of attributes and
discuss how it is measured.
9. describe sampling and discuss the various kinds
of random sampling with its advantages.
10. discuss the role of agricultural statistics in
India.

Earning:   Approval pending.