problem 1: Describe the objects and categorization of data.

problem 2: describe the sources and uses of the secondary data.

problem 3: describe the reliability and limitations of the scaling methods.

problem 4: Outline various methods of sampling used in research?

problem 5: The given are the observations on 18 cotton plants with respect to the yield of cotton (X₁), number of seed-vessels (X₂) and the height of the plant (X₃):

find out the regression equation of X₁ (yield of cotton) on X₂ (number of seed, vessels) and X₃ (height of the plant). As well find out the partial correlations and the multiple correlations of regressions of X₁ on X₂ and X₃.

problem 6: What are the various problems in the collection of health statistics?

problem 7: State the usefulness of multi-dimensional scaling in the research.