problem 1) prepare down the major sources of secondary data and point out the precautions essential for using them.

problem 2) Trace out the role of tabulation

problem 3) State the disadvantages of Geometric Mean.

problem 4) Compute the coefficient of Quartile Deviation from the data:

Weight of students in k.gms:

57.5, 52.2, 63.4, 69.4, 49.5, 50.4, 56.7.

problem 5) Differentiate between correlation and regression.

problem 6) prepare down the importance of interpolation.

problem 7) State the characteristics of Index Numbers.

problem 8) Briefly describe the tests of adequacy of Index Number.

problem 9) Give a brief account on the graphical method of measuring secular trend.

problem 10) prepare a detailed note on Crude Birth Rate.

problem 11) The proposed expenditure on different items during a five year plan of a government are as follows:

Particulars       Amount(in crores)

Agriculture              1,200
Industry                    900
Power                        600
Education                   800
Communication           500

Represent it by a pie-diagram.

problem 12) describe the characteristics of a Good Average.