Statistics Calculator : Data Analysis & Statistical Tools | DataLabPro
Advanced Statistics Calculator
Comprehensive Data Analysis and Statistical Calculations
Dataset Analysis
Probability Calculator
Core Statistical Measures
- Mean: Average of all values
- Median: Middle value in sorted data
- Mode: Most frequent value
- Standard Deviation: Measure of data spread
Key Formulas
Mean (μ) = Σx/n
Variance = Σ(x - μ)²/(n-1)
Standard Deviation (σ) = √Variance
Z-Score = (x - μ)/σ
Applications
- Market research analysis
- Scientific data interpretation
- Quality control metrics
- Machine learning preprocessing
FAQ Section
What's the difference between population and sample variance?
Population variance divides by N, sample variance by N-1 (Bessel's correction).