Data Analysis in Practice

Data Analysis in Practice: A case collection

*Case*	*Name*	*Topic*
1	Drum Costs	Linear fit
2	Coding Errors	Two-sample binomial counts
3	Sold Out	Binomial counts in a time context
4	Accident Risks	Frequency counts, risk analysis
5	Minced Meat	Statistical process control
6	Fish Farming	Distribution, mean and variation over time
7	Car Insurance	Categorical variables, covariation and explanation
8	Vodka Sales	Time series analysis and prediction
9	Breakfast Cereal	Cluster analysis and alternatives
10	Hotel Tourism	Factor analysis and discriminant analysis
11	Takeover	Estimation with error limits
12	Cashier Fraud	Variation and extremes
13	Response Times	One-sample and two-sample estimation and testing, analysis of variance and regression
14	Operating Expenses	Multidimensional categorical and numerical variables - association and explanation
15	City Parking	Estimation with confidence limits, t-tests
16	Lost Sales	Two-sample comparisons
17	Tax Audit	Comparisons, regression and outliers
18	Union Card	T-tests, analysis of variance, regression
19	Hospital Expenses	Analysis of variance (ANOVA)
20	Customer Satisfaction	Cross tabulation - chisquare tests, analysis of variance, regression analysis, factor analysis, discriminant analysis, cluster analysis

For each case there are to text files (.pdf format), the text presentation and the suggested solution, and a data file (Excel worksheet format).