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You need to submit a word document file which shows all computer outputs (numerical summary & graphs) and discussion
1. Section 1: Introduction
Provide a brief and clear introduction about the report (e.g. the objective of the report, the datasets involved, etc.). Find 1-3 articles (minimum one article, maximum three articles) which are relevant to any of the research questions (given in Section 2 – Section 6) and write a proper literature review. Your literature review should include in-text citation and you will need to add a reference list at the end of your report.
2. Section 2: Did around 25% of taxpayers in 2013-2014 self-prepare their tax return?
Using Dataset 1, first provide both numerical summary and graphical display that easily shows the proportion of each lodgement method.
Then, construct a 95% confidence interval of the population proportion of Self-preparer lodgement method.
Finally, answer the research question using the confidence interval.
3. Section 3: Is the average salary of taxpayers in 2013-2014 less than $45,000?
Using Dataset 1, first describe the salary amount distribution of Australian taxpayers in 2013-2014. You need to provide numerical summary (sample size, mean, standard deviation and median) as well as graphical display which shows any outliers.
Then perform a suitable hypothesis test to answer the research question above at 5% level of significance.
4. Section 4: For the total income between 75000 – 80000, is there a difference in the total deduction between different lodgement method?
Using Dataset 1, , first filter the total income to include only the income between $75,000 to $80,000 (inclusive). Then provide the numerical summary for the total deduction grouped by different lodgement method. You also need to provide graphical display which shows any outliers.
Then, perform a suitable hypothesis test to answer the research question above. Use a 5% significance level.
5. Section 5: Is there any relationship between total income amount and total deduction amount for self-preparer?
Using Dataset 1, first filter the data to include only self-prepare lodgement method, then describe the relationship between total income amount and total deduction amount using a suitable graph.
Then, perform a regression analysis and provide the numerical summary.
Finally, interpret the correlation coefficient, the coefficient of determination and the relevant p-values and use them to answer the research question.
6. Section 6: Is there a relationship between the gender of international students and whether they would use a tax agent?
Using Dataset 2, describe the relationship between the gender of international students and whether they would use a tax agent. You need to provide both numerical summary and graphical display.
Then, perform a suitable hypothesis test to answer the research question above. Use a 5% significance level.
7. Section 7: Conclusion
Write a summary of all the findings in the previous sections and then write concluding statements that would benefit a stake holder (e.g. tax agents, tax payers) to take management action.
Finally, suggest further research by discussing an interesting topic or a research question that can be further explored related to the datasets and/or the findings.

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