Statistics Calculator
Calculate comprehensive statistical measures including descriptive statistics, percentiles, and advanced measures
Data Input
Enter numbers separated by commas, spaces, or line breaks. Upload a text file or paste data directly.
Data Overview
10
Sample Size
55.00
Sum
9.00
Range
Multiple
Mode
Measures of Central Tendency
5.5000
Mean (Average)
Arithmetic average of all values
5.5000
Median
Middle value when sorted
10 modes
Mode
Most frequent value(s)
1.00, 2.00, 3.00, 4.00, 5.00, 6.00, 7.00, 8.00, 9.00, 10.00
Measures of Variability
9.1667
Variance
Average squared deviation
3.0277
Standard Deviation
Square root of variance
0.9574
Standard Error
SD of sampling distribution
4.5000
IQR
Interquartile Range
Measures of Shape
-0.0000
Skewness
Approximately Symmetric
-1.5616
Kurtosis (Excess)
Platykurtic (Light-tailed)
Quartiles
Q1 (25th percentile)3.2500
Q2 (50th percentile)5.5000
Q3 (75th percentile)7.7500
IQR (Q3 - Q1)4.5000
Key Percentiles
90th percentile9.1000
95th percentile9.5500
99th percentile9.9100
Min / Max1.0000 / 10.0000
95% Confidence Interval for Mean
[3.6234, 7.3766]
We are 95% confident that the true population mean falls within this interval
Export Results
Calculator Features
Descriptive Statistics
Mean, median, mode, variance, standard deviation
Shape Analysis
Skewness and kurtosis measurements
Percentiles & Quartiles
Complete percentile analysis and quartile breakdown
Confidence Intervals
95% confidence interval for population mean
Multiple Input Formats
Comma, space, or line-separated values
Export Reports
Download comprehensive statistical analysis