Advanced Z-score Calculator
Calculate Z-scores, probabilities (CDF/PDF), inverse Z-values, and critical values for statistical analysis. Includes batch processing, sensitivity analysis, interactive normal distribution visualization, and export features.
Key Features
- • Z-score calculation using mean and standard deviation
- • Probability calculations (PDF & CDF)
- • Inverse Z-score (from probability)
- • Critical Z-values for confidence levels
- • Adjustable precision (2–8 decimal places)
- • Batch processing (CSV & text input)
- • Statistical analysis (mean, median, std dev)
- • Sensitivity analysis with variation control
- • Interactive normal distribution curve
- • Dynamic charts (bar & line graphs)
- • Export results (CSV, JSON, PDF)
- • Calculation history tracking
Use Cases
- • Statistical data analysis and research
- • Hypothesis testing and confidence intervals
- • Academic assignments and learning
- • Financial risk and probability analysis
- • Quality control and anomaly detection
- • Standardized score comparison
How It Works
- • Select calculation type (Z-score, probability, inverse, critical)
- • Enter required parameters
- • Choose precision level
- • Click "Calculate" to get results
- • View results with formulas and breakdown
- • Analyze results using charts and curve visualization
- • Use advanced tools for deeper statistical insights