Reference no: EM132650697

BB108 Business Statistics - Melbourne Institute of Technology

Learning Outcome 1: Understand fundamentals of statistics and its application in business

Learning Outcome 2: Assess when and how to use statistical analysis.

Learning Outcome 3: Solve statistical problems using analytical methods.

Learning Outcome 4: Generate a range of output from statistical analysis software and interpret the results.

Learning Outcome 5: Apply knowledge of related statistical analytical techniques as related to business problems

Students are required to produce an individual assignment using data provided. Data is available on BB108 Moodle shell. You need to use Business Statistics theory, concepts, tools and terminology that you have learnt from weeks 1 to 8 to analyse the data and to write up the assignment.

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

a. The variables include:
i. ID
ii. "Gender" -1= male or 2=female
iii. Marital status (Married, single)
iv. Age
v. Years of experience
vi. City where they come from (areas coded from 1 to 5)
vii. Region they come from (east, west, south, north)
viii. Departments (1=IT, 2=Marketing, 3= Sales, 4= HR, 5= Finance 6=Innovation)
ix. Salary (in thousands)
x. Job satisfaction score before training (1= extremely dissatisfied; 5=extremely satisfied)
xi. Job satisfaction score after training (1= extremely dissatisfied; 5=extremely satisfied)
xii. Life happiness score (1= extremely unhappy; 10=extremely happy)
xiii. Promoted (yes, No)

Assignment instructions:

The mainchallenge 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 applications tocomplete the tasks listed below.

Assignment structure and task:
1. Introduction- Introduce the business problems.
i. Describe the main objective of the researchers who collected this dataset
ii. Describe how you want to achieve this objective in this assignment
iii. Listall statistical hypotheses you want to test in this assignment and indicate how the hypotheses are related to the research objective above.
2. Do you think promotion is gender-biased?
i. Formulate the statistical hypothesis to test the gender-unbiasedness of promotion
ii. Run a statistical test of the hypothesis
iii. Conclude your test result
3. Do you think the training improves the job satisfaction?
i. Formulate a statistical test to support your opinion
ii. What is the null hypothesis and what is the alternative hypothesis?
iii. What is your chosen significance level of the test?
iv. Show you test workings
v. Critically Interpret the test result and show alternative ways of assessment.

4. What are the other factors that may impact the job satisfaction?
i. Create a two-way frequency table of an influencing factor in your mind and the job satisfaction scoreto assess the impact
ii. Formulate the test of independence between the influencing factor and the job satisfaction score
iii. Run the independence test
iv. Interpret your results

5. Relationship between multiple numerical variables: does salary depend on age and working experience?
i. Create a scatter plot between Age and Salary and interpret the graphs
ii. Create a scatter plot of Working experience and Salary and interpret the graph
iii. Run regressions of Salary on Age, Salary on Working experience, and Salary on Age and Working experience together, respectively
iv. Interpret the regression output

6. Format, Style and References

Attachment:- Business Statistics.rar