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Data Analysis Guides & Tutorials
Free resources to help you understand statistical analysis, research methodology, and how to get the most from your data.
A/B Testing a Checkout Page: An E-commerce Case Study That Lifted Conversions 18%
A real-world A/B testing case study walking through hypothesis, sample size, the chi-square and z-test analysis, statistical significance, and the business decision that followed.
Reducing Customer Churn: A Telecom Case Study Using Logistic Regression in SPSS
A real-world case study showing how a telecom provider used binary logistic regression in SPSS to predict which customers would churn — and which two variables drove most of the risk.
DIY in Excel vs Hiring a Data Analyst: What It Really Costs Your Business
A practical cost-benefit comparison for business owners weighing whether to analyze data themselves in Excel or hire a data analyst — covering time, accuracy, and the hidden cost of wrong decisions.
HR Analytics Case Study: Predicting Employee Attrition and Cutting Turnover
A real-world HR analytics case study using SPSS to find why employees leave — combining t-tests, chi-square, and logistic regression to turn exit data into a retention plan.
Market Segmentation Case Study: Finding Customer Groups With Cluster Analysis in SPSS
A real-world retail case study using K-means cluster analysis in SPSS to segment customers into actionable groups — covering standardization, choosing K, profiling, and turning segments into marketing strategy.
A/B Testing for Marketing: How to Analyze Experiment Results
A practical guide to setting up and analyzing A/B tests for marketing campaigns. Covers statistical significance, sample size, conversion rate analysis, and common pitfalls that lead to wrong conclusions.
How to Analyze Customer Survey Data: A Practical Business Guide
Learn how to turn raw customer survey responses into actionable business insights. Covers NPS analysis, satisfaction scoring, segmentation, cross-tabulation, and presenting results to stakeholders.
How to Analyze Employee Survey Data for HR and Management
A guide to analyzing employee engagement, satisfaction, and pulse survey data. Covers engagement scoring, benchmarking, driver analysis, demographic breakdowns, and presenting findings to leadership.
How to Analyze Market Research Data: From Surveys to Strategy
A practical guide to analyzing market research data for business decisions. Covers segmentation analysis, competitive benchmarking, conjoint-style preference analysis, and turning research into actionable strategy.
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