problem 1) Describe the uses and limitations of Statistics.

problem 2) describe the different methods of collecting primary data.

problem 3) What is classification? Describe the various methods of classification.

problem 4) describe the uses of diagramatic and graphic representation of data.

problem 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

problem 6) Compute Karl Pearson’s co-efficient of skewness for the following data:

25, 15, 22, 40, 26, 25, 23, 25, 20.

problem 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

problem 8) Describe how the association of attributes can be analyzed by Yule’s co-efficient of association.

problem 9) What are the kinds of sampling? prepare down the merits and demerits of sampling.