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
- AnalysisBeginnerNew
CVP Analysis for a 40-Person SaaS Scale-Up
You are a financial analyst at CloudFlow. Given current PLG pricing (€50/user/month, 10,000 users) and cost structure (€200K fixed, €10/user variable), plus planned enterprise t…
- Cvp Analysis
- Break Even Analysis
- Pricing Strategy
Management and Cost Accounting - StrategyBeginnerNew
Investigate GlowToronto's Pricing to Rebuild Margins
Develop a pricing strategy for GlowToronto's core product line of serums and moisturizers. Begin by analysing the provided GlowToronto transaction dataset to understand how disc…
- Pricing Strategy
- Customer Segmentation
- Competitive Analysis
Open coursework - AnalysisBeginnerNew
Transfer Pricing for a Mumbai D2C Cosmetics Startup
Your task is to recommend a transfer pricing method (e.g., market-based, cost-plus, or negotiated) for the sale of products from France to Spain. Provide a detailed analysis of …
- Transfer Pricing
- Tax Analysis
- Managerial Accounting
Open coursework - AnalysisBeginnerNew
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
Open coursework Develop in-demand professional skills.
Each challenge names the skills it strengthens. Over time, your profile fills with the competences a hiring manager would actually look for.
Why Ewance
- StrategyBeginnerNew
Reposition a 50-Year-Old German Gummy Maker for Gen Z
Using the four provided materials, develop a repositioning strategy and present it as a decision-ready package. Read the company case file to understand the heritage, portfolio,…
- Strategic Marketing
- Segmentation Targeting Positioning
- Marketing Mix
Open coursework - StrategyBeginnerNew
Launch Plan for a Munich Vegan Skincare Brand in Germany
Working from the provided client brief and the synthetic German natural-skincare market dataset, build a complete twelve-month go-to-market plan for the Zero-Waste Serum line. Y…
- Go To Market Strategy
- Customer Segmentation
- Brand Positioning
Open coursework - StrategyBeginnerNew
Launch Plan for GlowSF, a San Francisco Skincare Startup
Working only from the materials provided to you, build a six-month launch plan for GlowSF. Start with the GlowSF Founder Dossier to anchor the budget, product line, and constrai…
- Market Segmentation
- Targeting
- Positioning
Open coursework - AnalysisBeginnerNew
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
Open coursework - Browse challenges
Explore role
Pricing Strategist
Set the price that captures value without leaving sales on the table. Demand modelling, willingness-to-pay research, and the disciplined experimentation that turns pricing into a competitive advantage.
- AnalysisBeginnerNew
Field Pricing Investigation for Glow Dublin's Vitamin C Serum
Treat this as a pricing investigation with two evidence sources and nothing else. First, work the company's own history: from the 'sales-history' dataset, estimate the price ela…
- Demand Elasticity
- Cost Analysis
- Pricing Strategy
Open coursework - StrategyBeginnerNew
Redesign Sales Incentives for a Scaling Software Company
Using the anonymized monthly sales-performance dataset and the company background and current-plan case file you are given, design a single replacement commission plan for the s…
- Incentive Design
- Compensation Analysis
- Sales Strategy
Open coursework - StrategyBeginnerNew
Negotiate a Retail Alliance for a Seoul Skincare Brand
Using only the materials provided, build a negotiation strategy that Soo-jin Park can take into talks with Daehan Drug Mart. Read the partnership file to understand the relation…
- Batna Analysis
- Distributive Bargaining
- Integrative Negotiation
Open coursework - DesignBeginnerNew
Redesign Weekly Production Scheduling for a Munich Craft Brewery
Using the historical demand dataset, the production-constraints specification, and the current-operations snapshot provided, design a single weekly production schedule for the t…
- Process Analysis
- Capacity Planning
- Scheduling
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- AnalysisBeginnerNew
Field Study: Fixing Order Fulfillment at a Cosmetics Startup
Using the order-fulfillment log dataset and the company case file provided to you, map how an order moves from placement to dispatch today and pinpoint where errors and delays a…
- Process Mapping
- Lean
- Quality Management
Open coursework - CodeBeginnerNew
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
Open coursework - AnalysisBeginnerNew
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 - AnalysisBeginnerNew
Redesign Glow Naturals' Mumbai Last-Mile Delivery Network
Using the delivery records in 'GN-DELIVERY-LOG', the operational account in 'GN-OPS-FILE', and the unit costs and constraints in 'GN-COST-AND-CONSTRAINTS', diagnose where Glow N…
- Route Optimization
- Cost Benefit Analysis
- Supply Chain Design
Open coursework - AnalysisBeginnerNew
Revamping Motivation at a São Paulo D2C Cosmetics Startup
Your task is to conduct a motivational audit using Herzberg's two-factor theory and self-determination theory. You will interview (simulated) employees, identify hygiene and mot…
- Motivation Theory
- Diagnostic Analysis
- Change Management
Open coursework - StrategyBeginnerNew
Rebuild Motivation for a Remote Enterprise Sales Team
Using the team context dossier, the leadership strategy memo, and the quarterly engagement and performance snapshot provided to you, design a motivation system for the remote en…
- Motivation Theory
- Remote Team Management
- Goal Setting
Open coursework - StrategyBeginnerNew
Design a Weekly Dynamic Pricing Strategy for GlowVienna
Design a weekly dynamic pricing strategy for GlowVienna's flagship serum that the team could realistically operate. Ground your work in the three materials provided: the histori…
- Pricing Strategy
- Demand Forecasting
- Data Analysis
Open coursework - AnalysisBeginnerNew
Commercial Due Diligence on a Seoul Direct-to-Consumer Cosmetics Brand
Working only from the materials provided, build a commercial due diligence assessment of GlowUp Cosmetics. Use the customer cohort dataset to reconstruct retention curves, lifet…
- Commercial Due Diligence
- Customer Analytics
- Unit Economics
Open coursework - AnalysisBeginnerNew
Streamlining Returns for a Tokyo D2C Cosmetics Startup
Your task is to model the current (as-is) returns process in BPMN, analyze it for inefficiencies, and design a to-be process that automates key steps, reduces handling time by 5…
- Bpmn Modeling
- Process Analysis
- Bottleneck Identification
Open coursework - StrategyBeginnerNew
Diversify Raw-Material Sourcing for a Boston Natural-Cosmetics Brand
Working from the supplier portfolio dataset and the leadership situation memo provided to you, build a strategic sourcing plan for GlowUp Naturals' key raw materials. Use the da…
- Strategic Sourcing
- Supplier Evaluation
- Risk Management
Open coursework - StrategyBeginnerNew
Launch a Direct-to-Consumer Subscription Box for a Skincare Brand
Using the twelve-month order-history dataset, derive which products repeat buyers actually return for and what each item costs versus what it sells for, so your curation and mar…
- Product Design
- Pricing Strategy
- Customer Journey Mapping
Open coursework - ResearchBeginnerNew
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
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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
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Step 06
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