Rechenweg Statistik

Rechenweg Statistik works through statistics and business mathematics step by step, from descriptive to inferential statistics: variance and standard deviation, correlation and regression, probability, confidence intervals and hypothesis testing. Every calculation comes with the complete worked solution in exam format (formula, values inserted, intermediate results, result) and an interactive chart. For the example of every method the worked solution is free, for your own numbers it comes with Pro. THE MODULES • Descriptive statistics: frequencies, histogram, averages, variance, standard deviation and box plot • Concentration: Lorenz curve, Gini coefficient, concentration ratio and Herfindahl index • Association: contingency table, chi-squared, covariance, correlation and rank correlation • Regression: fitted line and parabola, coefficient of determination, residuals and forecast •…