Data Sciences Challenges
Explore data science challenges on Ewance to build skills employers expect from analysts and ML engineers. Work through challenges on data cleaning, exploratory analysis, modeling, and storytelling with data.
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- AnalysisBeginnerNew
Consolidation of a New York D2C Cosmetics Startup with a French Subsidiary
Your task is to produce a full consolidation package for GlowUp Naturals Group. You will receive the trial balances of both entities, details of intercompany transactions (inclu…
- IFRS Consolidation
- Intercompany Elimination
- Non Controlling Interest
Open coursework - StrategyBeginnerNew
Reprice the Hero Serum for a Copenhagen Beauty Startup
Using the competitor price list, the customer purchase history, and the willingness-to-pay survey results provided to you, recommend a single new shelf price for the vitamin C s…
- Game Theory
- Pricing Strategy
- Market Analysis
Open coursework - StrategyBeginnerNew
Design a Talent Retention Strategy for a Renewable Energy Firm
Working only from the three materials provided to you — the exit-interview record, the monthly turnover and headcount tracker, and the market compensation benchmark sheet — anal…
- Retention Analysis
- Turnover Metrics
- Compensation Benchmarking
Open coursework - StrategyBeginnerNew
Evaluate and Plan an ERP Migration for VerdeVida
Working only from the VerdeVida company dossier and the current-systems-and-requirements specification provided to you, compare the two ERP platforms described on their official…
- ERP Evaluation
- Change Management
- It Strategy
Open coursework Practice your coursework on real scenarios.
Every challenge is shaped from real-world context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- StrategyBeginnerNew
Design an Open Innovation Pilot for GlowUp Naturals
Acting as a junior innovation consultant hired by GlowUp Naturals, design a six-month open innovation pilot and present it to the chief executive. Ground every recommendation in…
- Open Innovation
- Partner Scouting
- Ip Management
Open coursework - AnalysisBeginnerNew
Design an LFPDPPP Compliance Program for Glow Natural MX
Using the founder brief, the data-practices case file, the sample customer data inventory, the company's current privacy notice, and the official LFPDPPP statute text (all provi…
- Data Privacy
- Lfpdppp
- Compliance
Open coursework - AnalysisBeginnerNew
Trade Compliance Audit for a Post-Brexit Fashion Exporter
Working only from the operations dossier, the shipment ledger, and the audit notice you have been given, conduct a full trade compliance audit. Re-classify a sample of the brand…
- Customs Compliance
- Rules Of Origin
- Tariff Classification
Open coursework - AnalysisBeginnerNew
IFRS 15 Revenue Recognition for a Dubai D2C Cosmetics Startup
You are a junior accountant at Glow Naturals. The CFO needs a revenue recognition policy under IFRS 15 for three main product lines: (1) monthly subscription boxes with a free g…
- IFRS 15
- Revenue Recognition
- Contract Analysis
Open coursework - Browse challenges
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Marketing Analyst
Plan and measure campaigns that grow the business. Funnel analytics, attribution, segmentation, and the rigorous measurement that lets marketing defend its budget at the leadership table.
- AnalysisBeginnerNew
IFRS 16 Lease Accounting for a Renewable Energy Firm
You are a senior accountant at SunPower Renewables. The company is adopting IFRS 16 for the first time. You are given a sample lease for a wind turbine site: 20-year term, fixed…
- IFRS 16
- Lease Accounting
- Right Of Use Asset
Open coursework - AnalysisBeginnerNew
Currency Risk Hedging for a German Exporter
You are a junior treasury analyst. Analyze the company's transaction exposure by reviewing historical exchange rate data and forecasted cash flows. Recommend a hedging strategy …
- Exchange Rate Analysis
- Financial Hedging
- Risk Management
International Economics - AnalysisBeginnerNew
Hedging Currency Risk for a German Solar Exporter
Your task is to quantify Solara's net exposure in each currency, recommend a hedging mix (e.g., 70% forwards, 30% options) with rationale, calculate the cost of the strategy usi…
- Currency Hedging
- Financial Modeling
- Risk Analysis
Open coursework - AnalysisBeginnerNew
Transfer Pricing for a Lagos D2C Cosmetics Startup
You are a junior tax consultant hired by GlowLagos. Your task is to analyze the current intercompany transactions (raw material purchases, manufacturing fees, and royalty paymen…
- Transfer Pricing
- Benchmarking
- Functional Analysis
Open coursework Build a verifiable portfolio.
Submissions become evidence. Reviewers with shipping experience score against a rubric; the result becomes a credential anyone can verify.
Why Ewance
- StrategyBeginnerNew
Internationalization Strategy for a 40-Person SaaS Scale-Up
You are the head of international growth at DataFlow. Your task is to develop a strategy for entering the German and French markets within 12 months. You must decide between a d…
- Internationalization Strategy
- Product Localization
- Sales Channel Strategy
Open coursework - AnalysisBeginnerNew
Valuing a Lisbon D2C Cosmetics Startup for Series A
Your task is to value GlowLisboa using a DCF model and a market multiples approach. You have access to the startup's financial statements, industry benchmarks, and market data. …
- DCF Valuation
- Capm
- Comparable Company Analysis
Open coursework - DesignBeginnerNew
Smart Inventory System for Dubai Cosmetics
Your task is to design a smart inventory system for GlowDubai's warehouse. The system should use weight sensors on shelves and RFID tags on products to track inventory. Data mus…
- Iot Architecture
- Sensor Selection
- Communication Protocols
Open coursework - AnalysisBeginnerNew
COBIT Alignment for a Singapore D2C Cosmetics Startup
You are a junior IT governance consultant hired by the startup. Conduct a gap analysis using COBIT 2019, identify 5 key governance processes to implement in the next 6 months, a…
- It Governance
- Cobit 2019
- Gap Analysis
Open coursework - AnalysisBeginnerNew
PIPEDA Compliance for a Toronto D2C Cosmetics Startup
Your task is to conduct a privacy compliance audit for Glow Naturals. You must identify at least five key gaps in their data processing practices, focusing on areas such as cons…
- GDPR
- Data Protection
- Compliance Audit
Open coursework - AnalysisBeginnerNew
Wage Compression at a San Francisco D2C Cosmetics Startup
Your task is to analyze the startup's current wage data (provided in a simulated dataset), identify the extent of wage compression, and recommend a wage adjustment plan. Success…
- Wage Analysis
- Market Benchmarking
- Data Visualization
Open coursework - AnalysisBeginnerNew
Misclassification of Gig Workers at a Barcelona Delivery Startup
As a junior legal consultant, you must assess Rapido's current classification of couriers under Spanish labor law and the EU Platform Work Directive. Deliver a memo analyzing th…
- Labor Law Analysis
- Legal Research
- Risk Assessment
Open coursework - AnalysisBeginnerNew
Optimizing Last-Mile Delivery for a Vienna D2C Cosmetics Brand
As a logistics consultant, you must analyze Glow Naturals' current delivery data (provided in a simulated dataset), identify bottlenecks, and propose an optimized last-mile stra…
- Last Mile Delivery
- Cost Benefit Analysis
- Route Optimization
Open coursework - AnalysisBeginnerNew
Reducing Inventory Costs for a Mid-Size Electronics Manufacturer
As a supply chain analyst, you must analyze CircuitPro's inventory data (provided in a simulated dataset) and propose improvements. Tasks include: classifying inventory using AB…
- Inventory Management
- Abc Analysis
- Safety Stock
Open coursework - AnalysisBeginnerNew
Predict 30-Day Churn for a Direct-to-Consumer Cosmetics Brand
Working only from the two materials you are given (a subscriber behavior sample dataset and a one-page stakeholder brief from the head of retention), build a binary classificati…
- Python
- Scikit Learn
- Logistic Regression
Open coursework - AnalysisBeginnerNew
Inflation Hedging for a Lagos D2C Cosmetics Brand
Your task is to analyze recent inflation data, Central Bank of Nigeria (CBN) monetary policy, and USD/NGN exchange rate trends. Then, propose a combination of financial instrume…
- Inflation Analysis
- Monetary Policy
- Exchange Rate Forecasting
Open coursework - AnalysisBeginnerNew
Cost Allocation for an Austin D2C Cosmetics Startup
You are a junior management accountant hired by GlowUp. Using provided financial data (sales, direct costs, overhead pools, and activity drivers), implement an ABC model to allo…
- Activity Based Costing
- Cost Allocation
- Profitability Analysis
Open coursework
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