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• Assignment 1 consists of one question with total available marks of 100. Please make sure your answer follows a clear and logical approach.
• All calculations must be shown at each stage of the analysis. The computations, analysis and charts should be done in Excel or any other application with similar capabilities (Numbers, SPSS, R, Minitab, STATA, Eviews).
• Your work should be presented and submitted as a PDF file. Please be careful to preserve your original formatting when converting your Excel file into PDF.
• Please make sure your student number is displayed on the first page of your report.
A company is concerned about the variability in sales at its 10 stores. There are thoughts that this variability has to do with the size of the town in which the store is situated. It is also possible that the size of store might affect sales. Another thought is that the experience of the store manager (as measured by number of years working for the company) might have an influence. The data for the 10 stores is given below:
Population of town
Size of store
Number of years’ experience
Use appropriate statistical techniques to thoroughly investigate the variability in sales.
It is crucial that you carry out a robust statistical analysis as your conclusion will play a major role in a substantial capital investment for the company.
Your professionally presented analysis and report to the Sales Director of the company should include:
(This section will be worth 26 marks.)
(This section will be worth 48 marks.)
(Total 100 marks)