Analysis Challenges
Diagnose, segment, model — turn a real situation into a sharp recommendation.
- AnalysisIntermediateNew
Frame an Energy-Storage Dispatch Decision as a Bayesian Decision Problem
You receive 2 years of hourly spot-price data, 2 years of wind generation data, and a manufacturer's battery degradation model. Frame dispatch as a Bayesian decision problem: mo…
- Bayesian Decision Theory
- Price Modeling
- Back Testing
Decision Making Under Uncertainty - 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
Labor and Employment Law - AnalysisBeginnerNew
Customer Churn Prediction for 40-Person SaaS Scale-Up
You receive a dataset with 500 customers and 10 features (e.g., monthly logins, number of support tickets, contract length, industry). Your task is to perform exploratory analys…
- Logistic Regression
- Classification
- Feature Engineering
Econometrics - AnalysisIntermediateNew
Predict Customer Churn for a Telecom Company
You are a business analyst at ConnectTel. Using the provided dataset, conduct exploratory data analysis to understand churn patterns. Then, build a logistic regression model to …
- Logistic Regression
- Classification Metrics
- Feature Selection
Statistics for Business 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
- AnalysisIntermediateNew
Revenue Recognition for a SaaS Scale-Up Moving to Enterprise
Your task is to analyze three sample enterprise contracts from CloudFlow, identify performance obligations, determine the transaction price (including variable consideration), a…
- Revenue Recognition
- ASC 606
- Contract Analysis
Financial Accounting (Graduate) - AnalysisIntermediateNew
Portfolio Optimization for a Sustainable Fashion ETF
You are given monthly returns for 20 candidate stocks (5 years of data) and the risk-free rate. Your task is to select 15 stocks and compute the efficient frontier, the tangency…
- Black Litterman & Mean Variance Optimization
- Efficient Frontier
- Capm
Investments and Asset Pricing - AnalysisIntermediateNew
Design an Electronic Health Record Data-Quality Audit
Stand up a Python (pandas + DuckDB) audit notebook ingesting the 14M-record extract. Define and run quality checks across four dimensions: completeness (required-field missingne…
- Health Informatics
- Data Quality
- Snomed Ct
Computational Biology and Health Informatics - AnalysisBeginnerNew
Tax-Efficient Legal Form for a Nairobi D2C Cosmetics Startup
Students will receive financial projections for GlowUp Naturals (KES 50 million revenue, KES 35 million expenses, projected growth to KES 200 million in 3 years). They must calc…
- Income Tax
- Corporate Tax
- Trade Tax
Business Taxation - Browse challenges
Explore role
Product Manager
Ship product that solves real user problems. Combine user research, prototyping, and stakeholder alignment to turn ambiguous briefs into measurable wins — the role at the centre of modern software teams.
- AnalysisBeginnerNew
ERP Migration for a Growing Organic Food Chain
Your task is to compare two ERP systems on cost, fit, and scalability, then design a phased migration plan over 6 months. Deliver a 10-page report with a recommendation, a risk …
- ERP Evaluation
- Change Management
- It Strategy
Information Systems and IT Management - AnalysisBeginnerNew
Cardinality and Cost Control on a Datadog-Based Gaming Platform
Receive an anonymized export of Datadog metric inventory (metric names, tag-cardinality counts, monthly cost per metric, team owner). Identify the top 30 cost-driver metrics, cl…
- Cardinality Control
- Datadog
- Finops & Cost Optimization
Software Observability - 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
Managerial Accounting - AnalysisIntermediateNew
Director Liability in a SaaS Scale-Up's Failed Enterprise Deal
Analyze the facts: the CEO, without board approval, promised a client custom features that the product team could not deliver, leading to contract termination and a £500K loss. …
- Director Duties
- Companies Act 2006
- Business Judgment Rule
Company and Corporate Law 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
- AnalysisBeginnerNew
Postmortem and Action-Item Tracking for a 3-Service Outage
Re-write the existing postmortem using the Google SRE blameless format: timeline (anchored to UTC), what went well, what went poorly, where we got lucky, action items (S.M.A.R.T…
- Postmortems
- Blameless Culture
- Action Item Tracking
Site Reliability Engineering - AnalysisFoundationalNew
Materiality Assessment for a Toronto Craft Brewery
Using the simulated financial statements provided (income statement, balance sheet, and notes), select an appropriate benchmark (e.g., revenue, profit before tax, total assets) …
- Materiality Assessment
- Audit Planning
- Financial Analysis
Auditing and Assurance - AnalysisSeniorNew
Hybrid Legal Structure for a US-Based Benefit Corporation
Your task is to research and recommend a legal structure for EcoThread. Analyze the pros and cons of benefit corporation, L3C, and hybrid models (e.g., for-profit with a nonprof…
- Legal Structures
- Benefit Corporation
- Social Enterprise Law
Social Entrepreneurship and Impact - AnalysisBeginnerNew
Overcoming Overconfidence in a Madrid D2C Cosmetics Startup
You are a behavioral finance consultant hired by Luz Natural. Your task is to analyze the founder's recent product launch decisions, identify patterns of overconfidence (e.g., i…
- Overconfidence Bias
- Prospect Theory
- Decision Framing
Behavioural Finance - AnalysisBeginnerNew
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 - AnalysisIntermediateNew
Map a Healthtech Startup's Triage Bot to the EU AI Regulation
Read the EU AI Regulation's Annex III (high-risk areas) carefully. Classify the triage bot's components and explain whether the system is high-risk; if so, enumerate the applica…
- Regulatory Analysis
- Ai Governance Frameworks
- Risk Mapping
AI Law, Policy, and Regulation - AnalysisIntermediateNew
Spectral Clustering for Customer Segmentation at a SaaS
Receive a 12,000 customer × 220 feature usage matrix (counts per feature per week, averaged over 12 weeks). Construct a similarity graph (k-nearest-neighbors with k=15, Gaussian…
- Spectral Methods
- Linear Algebra
- Algorithm Analysis
Advanced Algorithms - AnalysisSeniorNew
Financial Statement Analysis for a Renewable Energy Firm
Your team must analyze SunPower's last three years of financial statements (income statement, balance sheet, cash flow statement) and ESG reports. Calculate key ratios (liquidit…
- Financial Statement Analysis
- Ratio Analysis
- Dupont Analysis
Financial Accounting (Graduate) - AnalysisBeginnerNew
Explain a Credit-Risk Model with SHAP for a Fintech
You receive a trained XGBoost credit-risk model (binary default prediction), the training feature schema (38 features), and a held-out 10,000-sample test set with labels. Comput…
- Shap
- Interpretability
- Fairness Analysis
Explainable and Interpretable AI - AnalysisIntermediateNew
Relevant Costing for a Sustainable Fashion Brand's Make-or-Buy Decision
You are a management accountant at EcoThreads. The company currently produces 10,000 T-shirts/month in-house with fixed costs of £50K (including £20K unavoidable) and variable c…
- Relevant Costing
- Make Or Buy Analysis
- Qualitative Analysis
Management and Cost Accounting - AnalysisIntermediateNew
Forecasting Churn for a SaaS Scale-Up
You are a data scientist intern at TaskFlow. Using the provided dataset, perform feature engineering and build a logistic regression or decision tree model to predict churn. Ide…
- Data Analysis
- Regression
- Classification
Data Analytics for Business - AnalysisBeginnerNew
Code-Smell Triage Workshop for a Hiring-Platform Backend
Run static analysis (SonarQube + a custom ruleset for domain-specific smells) on the four most-touched services. Score each smell on the 22-item Fowler catalog by occurrence cou…
- Code Smells
- Static Analysis
- Refactoring Prioritization
Refactoring and Code Smell Detection
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.
Industry teams behind a decade of practitioner briefs
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Sponsor a challenge and meet candidates through actual work.
Industry teams can shape briefs around the skills they hire for, then evaluate students on rubric-scored deliverables — not resumes.