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.
Most Popular
- AnalysisIntermediateNew
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
IT Law and Data Protection - AnalysisIntermediateNew
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
Labor Economics - AnalysisIntermediateNew
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
Logistics and Transportation Management - AnalysisIntermediateNew
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
Logistics and Transportation Management Practice your coursework on real scenarios.
Every challenge is shaped from real industry context — not generic exercises. The work mirrors what your degree prepares you for.
Why Ewance
- CodeIntermediateNew
Predictive Churn Model for Bangalore D2C Cosmetics
You will analyze a provided dataset of 10k customers with features like purchase frequency, average order value, time since last purchase, pages visited, support tickets, and su…
- Python
- Scikit Learn
- Logistic Regression
Machine Learning and AI for Business - AnalysisIntermediateNew
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
Macroeconomics - AnalysisIntermediateNew
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
Management and Cost Accounting - AnalysisIntermediateNew
Customer Lifetime Value Model for SaaS Scale-up
You are provided with a dataset of 5,000 customers with features: acquisition channel, monthly spend, tenure, number of support tickets, product usage metrics, and churn flag. Y…
- Customer Lifetime Value
- Predictive Modeling
- Customer Segmentation
Marketing Analytics - Browse challenges
Explore role
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.
- StrategyIntermediateNew
Revitalizing a Legacy Brand for Gen Z
Develop a comprehensive marketing strategy including STP analysis, a refreshed marketing mix, and a customer lifetime value model. Deliver a 10-slide deck with key recommendatio…
- Strategic Marketing
- Segmentation Targeting Positioning
- Marketing Mix
Marketing Management - StrategyIntermediateNew
Launch Strategy for a San Francisco D2C Cosmetics Startup
Your task is to create a detailed marketing launch plan for GlowSF. You must identify the most viable target segment, craft a unique value proposition, and design a marketing mi…
- Market Segmentation
- Targeting
- Positioning
Marketing Principles - AnalysisIntermediateNew
Acquisition of a Bangalore D2C Cosmetics Startup
As a junior M&A analyst at BeautyCo, you must assess GlowUp's business model, financials, and market position. You need to conduct a valuation using DCF and comparable company a…
- Financial Analysis
- Valuation
- Due Diligence
Mergers and Acquisitions - AnalysisIntermediateNew
Pricing Strategy for a Dublin D2C Cosmetics Startup
You are a pricing analyst for Glow Dublin. Using provided sales data, cost breakdowns, and competitor prices, estimate the price elasticity of demand for the serum. Then, recomm…
- Demand Elasticity
- Cost Analysis
- Pricing Strategy
Microeconomics 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
- StrategyIntermediateNew
Negotiating a Strategic Alliance for a Seoul D2C Cosmetics Brand
Your task is to develop a negotiation strategy for GlowUp's founder to use in talks with the drugstore chain. You must analyze the BATNA, reservation price, and potential integr…
- Batna Analysis
- Distributive Bargaining
- Integrative Negotiation
Negotiation - AnalysisIntermediateNew
Optimizing Production Scheduling at a Munich Craft Brewery
Your task is to analyze historical demand data (provided) and current production constraints, then propose a weekly production schedule that minimizes total changeover time whil…
- Process Analysis
- Capacity Planning
- Scheduling
Operations Management - CodeIntermediateNew
Optimizing Last-Mile Delivery for a Lisbon Grocery Startup
Your task is to build a linear programming model (or heuristic) to assign orders to vehicles and sequence deliveries. Success means reducing average route length by at least 15%…
- Linear Programming
- Python
- Route Optimization
Operations Analytics and Optimization - AnalysisIntermediateNew
Optimizing Last-Mile Delivery for a San Francisco Grocery Startup
Your task is to formulate a minimum-cost flow problem for daily delivery routes. Use the provided order data (locations, time windows, volumes) and vehicle specs (capacity, spee…
- Linear Programming
- Network Flow
- Python
Operations Research and Optimization - AnalysisIntermediateNew
Optimizing Last-Mile Delivery for a Mumbai D2C Cosmetics Brand
Your task is to analyze Glow Naturals' current delivery data (provided in a simulated dataset) and design an optimized last-mile delivery strategy. You must consider factors lik…
- Route Optimization
- Cost Benefit Analysis
- Supply Chain Design
Operations and Supply Chain Management - AnalysisIntermediateNew
Dynamic Pricing for a Vienna D2C Cosmetics Brand
Your task is to develop a dynamic pricing model for GlowVienna's top-selling serum. You must analyze historical sales data (provided), competitor pricing, and demand patterns. P…
- Pricing Strategy
- Demand Forecasting
- Data Analysis
Pricing and Revenue Management - AnalysisIntermediateNew
Due Diligence for a Seoul D2C Cosmetics Brand
Perform commercial due diligence: analyze customer cohorts, CAC, LTV, churn, and retention. Evaluate the brand's competitive moat (ingredients, sustainability, influencer networ…
- Commercial Due Diligence
- Customer Analytics
- Unit Economics
Private Equity - ResearchIntermediateNew
Optimizing Onboarding for a Fintech App
Your task is to analyze the current onboarding flow, identify drop-off points, and propose a redesigned onboarding experience. You will use user behavior data (provided in a sim…
- User Research
- Ux Design
- Data Analysis
Product Management - CodeIntermediateNew
Building a Customer Segmentation Tool for a SaaS Scale-up
You are provided with a JSON file containing user data: user_id, total_logins, days_since_last_login, features_used (count), subscription_tier (free/basic/premium). Your task is…
- Python
- Pandas
- Scikit Learn
Programming for Business Applications - AnalysisIntermediateNew
Reducing Defect Rate in Stockholm D2C Cosmetics Production
Your task is to collect and analyze production data (provided in a simulated dataset) to identify root causes of defects. Use control charts (X-bar and R) and process capability…
- Statistical Process Control
- Process Capability Analysis
- Root Cause Analysis
Quality and Productivity Management - DesignIntermediateNew
Smart Service Design for Urban Mobility
You are a service designer at EcoRide. Your task is to design a smart subscription service called 'EcoRide+'. Define the service concept, key features, data sources, and revenue…
- Service Design
- Customer Journey Mapping
- Service Blueprint
Smart Services and Digital Products - AnalysisIntermediateNew
Impact Measurement for a San Francisco D2C Cosmetics Brand
Your task is to develop a comprehensive impact measurement framework for GlowRoot. You will identify relevant metrics (e.g., carbon footprint reduction, trees planted, customer …
- Impact Measurement
- Social Return On Investment
- Data Analysis
Social Entrepreneurship and Impact
How it works
From brief to credential, in six steps.
Step 01
Browse challenges aligned to your studies.
Step 02
Accept the one that fits your goals.
Step 03
Work through it with AI Copilot guidance.
Step 04
Submit for structured evaluation.
Step 05
Earn a verified credential.
Step 06
Add it to LinkedIn with one click.
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Sponsor a challenge and meet candidates through actual work.
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