Data set [Job Satisfaction] is from a global corporation. Three hundred employees of the company globally have been surveyed regards their job satisfaction in the company.

1. The variables include:
   1. ID
   2. Gender 1= male or 2=female
   3. Marital status (Married, single)
   4. Age
   5. Years of experience
   6. City that they come from (areas coded from 1 to 5)
   7. Region they come from (east, west, south, north)
   8. Departments (1=IT, 2=Marketing, 3= Sales, 4= HR, 5= Finance 6=Innovation)
   9. Salary (in thousands)
   10. Job satisfaction score before training (1= extremely dissatisfied; 5=extremely satisfied)
   11. Job satisfaction score after training (1= extremely dissatisfied; 5=extremely satisfied)
   12. Life happiness score (1= extremely unhappy; 10=extremely happy)
   13. Promoted (yes, No)

Assignment instructions:

The main challenge in the business is deterioration in job satisfaction among the employees. For this reason the company HR has decided to conduct a survey and identify satisfaction level of the employees. They measure employees satisfaction in two periods of before and after training.

Using statistical theory and application to answer the main research questions below.

1. Discuss whether you can calculate numerical measures (10 marks)
   1. For nominal categorical variables and why? (5 marks)
   2. For ordinal categorical variables and why? (5 marks)