Average Calculator
Calculate mean, median, mode, and statistical values from datasets
Data Input
Enter numbers one per line, or separate with commas. Invalid entries will be ignored.
Statistical Results
Enter values above to see results
Statistical Definitions
Mean (Average)
Sum of all values divided by count
Median
Middle value when sorted
Mode
Most frequently occurring value(s)
Range
Difference between max and min
Standard Deviation
Measure of data spread around the mean
Variance
Square of standard deviation
Quartiles (Q1, Q2, Q3)
Values that divide data into quarters
IQR
Interquartile range (Q3 - Q1)
Example
Sample dataset: 10, 15, 20, 25, 30
Mean: 20 (sum: 100, count: 5)
Median: 20 (middle value)
Min: 10, Max: 30
Range: 20 (30 - 10)