problem 1:

What do you mean by the term data analysis? Illustrate with suitable illustrations.

problem 2:

Describe the significant phases in data analysis. Give some illustrations.

problem 3:

Describe the significance of graphs, diagrams, averages, standard deviation, correlation coefficient and tests of hypothesis in the data analysis. Give some illustrations.

problem 4:

Define the term hypothesis and describe the steps in testing a hypothesis.

problem 5:

What are the applications of t, z, ανδ χ² tests in business researches? Describe with exs.