Question 1) Describe the uses and limitations of Statistics.
Question 2) Explain the different methods of collecting primary data.
Question 3) What is classification? Describe the various methods of classification.
Question 4) Explain the uses of diagramatic and graphic representation of data.
Question 5) Compute the mean, median and mode for the following data:
Age 15-19 20-24 25-29 30-34 35-39 40-44
No.of persons 8 20 30 24 12 10
Question 6) Compute Karl Pearson’s co-efficient of skewness for the following data:
25, 15, 22, 40, 26, 25, 23, 25, 20.
Question 7) Estimate the two regression equations X on Y and Y on X from the following data:
X 10 12 14 12 16 14
Y 30 36 44 44 36 42
Question 8) Describe how the association of attributes can be analyzed by Yule’s co-efficient of association.
Question 9) What are the kinds of sampling? Write down the merits and demerits of sampling.