Data Visualization Challenges
If you like applying Data Visualization to real industry briefs, this set of challenges is for you. Pick one, ship a piece of work, walk away with a verified credential.
- ResearchExpertNew
Experimental Design for a Fintech App's Savings Nudge
You are a behavioral data scientist at SaveSmart. Design a randomized controlled trial (RCT) to test the effect of a 'future self' nudge on savings behavior. Define treatment an…
- Experimental Design
- Statistical Analysis
- Nudge Theory
Behavioral Economics - CodeExpertNew
Real-Time Sentiment Analysis for a Sustainable Fashion Brand
You are to develop a real-time sentiment analysis system for EcoWear. Ingest data from Twitter API (hashtag #EcoWear) and a mock review API, process using Spark Streaming with M…
- Spark Streaming
- Mapreduce
- Nosql
Big Data and Cloud Technologies - AnalysisIntermediateNew
Optimizing Subscription Pricing for a Lagos D2C Cosmetics Startup
Your task is to analyze GlowCycle's customer data to identify segments with different price sensitivities and churn risks. Develop a predictive model to forecast churn probabili…
- Customer Segmentation
- Predictive Modeling
- Prescriptive Analytics
Business Analytics - ResearchExpertNew
Neuromarketing Audit for a Sustainable Fashion Retailer
Your team will design and simulate a neuromarketing experiment. First, propose two alternative store layouts (e.g., circular vs. grid) and two website homepage designs (e.g., he…
- Neuromarketing
- Experimental Design
- Eye Tracking Analysis
Consumer Behavior 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
- AnalysisIntermediateNew
Optimizing Ad Spend for a D2C Cosmetics Brand
You are a data analyst at Glow & Grow. Using the provided dataset (simulated), perform an exploratory data analysis to understand trends in ad performance. Build a regression mo…
- Data Analysis
- Regression
- Data Visualization
Data Analytics for Business - AnalysisBeginnerNew
Pricing Strategy for a Sustainable Fashion Brand
You are a pricing analyst at EcoWear. Using the survey data (simulated with 500 responses) and competitor prices, perform a conjoint analysis or price elasticity analysis. Deter…
- Data Analysis
- Statistics
- Data Visualization
Data Analytics for Business - AnalysisIntermediateNew
AI-Powered Customer Sentiment Analysis for a Fintech App
You will receive a dataset of 500+ anonymized app reviews and tweets. Using AI tools like ChatGPT or Claude, you must craft prompts to classify sentiment (positive, negative, ne…
- Prompt Engineering
- Sentiment Analysis
- Data Visualization
Data-Driven Prototyping with AI - AnalysisAdvancedNew
A/B Testing for a 40-Person SaaS Scale-up Moving to Enterprise
You are a data analyst at TaskFlow. You are given the raw A/B test data (visitor logs, conversions, and downstream sales data). Your task is to perform a rigorous analysis: chec…
- A B Testing
- Statistical Analysis
- Bayesian Methods
Data Science for Business - 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.
- DesignExpertNew
Dynamic Pricing Optimization for a Ride-Hailing Platform
You are a data scientist at CityRide. Using 6 months of historical trip data (pickup/dropoff, time, fare, surge multiplier), weather data, and local events calendar, you must bu…
- Reinforcement Learning
- Optimization
- Simulation
Data Science for Business - AnalysisIntermediateNew
Demand Forecasting for a New York D2C Cosmetics Brand
You are a forecasting analyst at Glow NYC. Using provided monthly sales data (units sold) for 10 SKUs, develop a time series forecast for the next 3 months. Compare at least two…
- Time Series Analysis
- Forecasting
- Data Visualization
Forecasting for Decision Making - AnalysisIntermediateNew
Developing a Talent Retention Strategy for a Renewable Energy Firm
Your task is to conduct a retention analysis using provided exit interview data, turnover metrics, and compensation benchmarks. Then design a retention strategy with at least th…
- Retention Analysis
- Turnover Metrics
- Compensation Benchmarking
Human Resource Management - CodeExpertNew
Forecasting Exchange Rates for a 40-Person SaaS Scale-Up
Your task is to collect monthly data for the past 5 years for GBP/USD and EUR/USD, along with relevant predictors (interest rate differentials, inflation, GDP growth, trade bala…
- Time Series Forecasting
- Econometric Modeling
- Python
International Finance 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
- 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
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 - AnalysisBeginnerNew
Optimize Ad Spend for Munich D2C Cosmetics Brand
You are given a CSV dataset with 10,000 rows of ad performance data including date, campaign, audience segment, creative type, impressions, clicks, conversions, and spend. Your …
- A B Testing
- Regression Analysis
- Data Cleaning
Marketing Analytics - 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 - AnalysisExpertNew
Stochastic Inventory Policy for a Sustainable Fashion Brand
Using historical demand data (provided), fit a demand distribution and determine optimal (s, S) or (R, Q) policy parameters. Consider perishability (seasonal collections) and a …
- Inventory Optimization
- Stochastic Modeling
- Simulation
Operations Analytics and Optimization - StrategyAdvancedNew
Yield Management for a Boutique Hotel Chain
Your task is to create a yield management strategy for NordicStays. You will analyze historical booking data (provided) to identify demand patterns, price sensitivity, and booki…
- Yield Management
- Revenue Optimization
- Forecasting
Pricing and Revenue Management - 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 - AnalysisIntermediateNew
Optimizing TikTok Ad Creative for a D2C Cosmetics Brand
You are a marketing analyst at GlowUp. Using the TikTok Ads Library API and web scraping, collect data on at least 50 ad creatives (video thumbnails, captions, CTAs, and perform…
- Web Scraping
- Content Analysis
- Data Visualization
Social Media and Web Analytics - AnalysisAdvancedNew
Network Analysis for Influencer Marketing Campaign
You are a social media analyst at TaskFlow. Using the Twitter API, collect data on at least 200 accounts related to project management and tech leadership (e.g., tweets, followe…
- Network Analysis
- Twitter Api
- Influencer Identification
Social Media and Web Analytics - CodeIntermediateNew
Sentiment Analysis of Product Launch on Reddit
You are a social media analyst at EcoWear. Using Reddit's API, collect all posts and comments from r/sustainablefashion, r/sneakers, and r/environment for one week before and af…
- Web Scraping
- Sentiment Analysis
- Topic Modeling
Social Media and Web Analytics - AnalysisBeginnerNew
Optimize Pricing for a Sydney D2C Cosmetics Brand
You are a junior data analyst at GlowSydney. Using the provided dataset of 500 transactions (including price, units sold, customer age, and gender), perform descriptive statisti…
- Descriptive Statistics
- Linear Regression
- Data Visualization
Statistics for Business - AnalysisAdvancedNew
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
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
Hiring from this pool?
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.