• ATTEMPT Both Questions

Question One

a)         Enumerate the different non-parametric tests and explain any two of them (6marks)

b)         Define the Chi-Square (χ2) statistics and describe the properties of χ2 - distribution.                                                                                                                                     (8marks)

c)         Explain the assumptions of One-way Analysis of Variance (ANOVA)       (6marks)

Question Two

A sample of employees at a large chemical plant was asked to indicate a preference for one of three pension plans. The results are given in the following table.

At the 1% level of significance, determine whether there is a relationship between the pension plan selected and the job category of employees.                                                      (10 marks)