Category | Assignment | Subject | Computer Science |
---|---|---|---|
University | The Open University | Module Title | Business Data Analytics and Decision Making |
Word Count | 1100 Words |
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Academic Year | 2025 |
Note on the use of Generative Artificial Intelligence (AI) for B126 assessments
This assessment falls into Category 1 of the guidelines for Generative AI use by students.
This means that you cannot use Generative AI to complete the assessment.
Some assessment questions are designed to help you practise and demonstrate basic knowledge and skills (including the application of concepts, developing arguments and following procedures) needed for your study and employment. This category typically applies when the use of AI tools would prevent you from acquiring those skills.
Using Generative AI for this category is subject to academic conduct procedures.
Regardless of what category your assessment falls under, remember that:
You should also look at the Good Academic Practice Collection on Open Learn.
Cut-off date: 15 July 2025
You must submit your assignment no later than 12 noon (UK local time) on the cut-off date.
Your complete submission requires two mandatory components:
To submit two files, you will need to zip them together. For information on zipping your files, see Zipping (combining and compressing) your files in the Help Centre.
The total word limit for this TMA is 1,100 words.
Note that numbers, numeric calculations, chart and table headings, and other data copied from Excel are not included in the word count.
There is a word limit specified for each TMA question. This word limit functions as an upper threshold rather than a target objective. You are encouraged to write concise responses that fall below this maximum limit, provided they adequately address the assignment requirements.
The TMA will be marked by your tutor and accounts for 35% of your total assessment for the module.
The marking scheme allocates partial marks throughout the assignment. You should therefore demonstrate your complete thinking process and show all relevant workings, even if you are uncertain about your final answer. You can earn substantial marks by displaying sound analytical thinking and proper methodology, even if your conclusion is not entirely accurate. This approach allows your tutor to award marks for correct steps in your problem-solving process.
Before beginning work on TMA 02, make sure that you:
The following learning outcomes will be assessed in this TMA:
Knowledge and understanding
TMA 02 has five questions. You must answer each question. Before doing so, ensure that you have read the materials and guidance notes related to each question.
For this TMA, imagine the following scenario:
Maria is an entrepreneur and the owner of a chain of sustainable product stores. She is looking to expand her business by launching a new product line targeting environmentally conscious consumers.
Maria has gathered various data sets and seeks expert advice on how to use them effectively to make informed decisions.
You will take on the role of a consultant tasked with helping Maria interpret the data, identify actionable insights and make strategic recommendations.
How can Maria leverage the five V’s of big data to understand her customer base and market trends, and what recommendations would you make based on a real-world example of successful big data implementation in business?
Your answer to Question 1 should be no more than 400 words.
Read the guidance notes for Question 1 before preparing your answer.
To support Maria’s analysis, you are considering two probability distributions: the standard normal distribution and the distribution. Describe their key characteristics.
Your answer to Question 2 should be no more than 400 words.
Read the guidance notes for Question 2 before preparing your answer.
Maria is evaluating a £3,000 advertising campaign with three potential outcomes:
For a small success, there is an 80% chance of a profit increase by £800 and a 20% chance of an increase by £3,000. Moderately successful campaigns have a 40% chance of a £6,000 profit increase and a 60% chance of a £3,000 increase. Highly successful campaigns have a 60% chance of a £6,000 profit increase and a 40% chance of a £3,000 increase.
Using decision tree analysis, can you help Maria determine whether she should proceed with the advertising campaign by calculating the expected value? For simplicity, assume that profits are non-taxable.
Your answer to Question 3 is computational, and no word limit is imposed here.
Read the guidance notes for Question 3 before preparing your answer.
Maria has launched two product lines, ‘Product A’ and ‘Product B’, in her stores and needs to evaluate their performance for strategic decision making.
Use the spreadsheet that contains the data for Product A and Product B (available under the ‘Assessment’ tab on the module website) and conduct hypothesis tests (α = 0.05) to:
Your answer to Question 4 is computational, and no word limit is imposed here.
Read the guidance notes for Question 4 before preparing your answer.
Use the spreadsheet that contains the data for Product A and Product B (available under the ‘Assessment’ tab on the module website) and help Maria evaluate her product expansion decision by analysing Product B’s customer satisfaction scores against the market benchmark of 6.5 (α = 0.05), which she believes her product significantly exceeds. Specifically:
Based on your findings, provide recommendations for Maria’s product expansion decision.
Your answer to Question 5 should be no more than 300 words.
Read the guidance notes for Question 5 before preparing your answer.
Before you start work on the assignment questions, you will need to download and save the spreadsheet with Product A and Product B data. This is available under the ‘Assessment’ tab on the module website.
You will need to produce all your calculations and charts using Excel and submit this spreadsheet with your Word document through the online TMA/EMA service. Marks will be awarded for using the correct formulas.
To submit two files, you will need to zip them together. For guidance on zipping your files, see Zipping (combining and compressing) your files in the Help Centre.
All references to the module materials should be included in a separate section of your Word document called ‘References’ at the end of the TMA. You do not need to refer to external sources to complete this assignment, but if you do, you should include these sources in your reference list. For information on referencing, see the Assessment Guide.
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