Calculate Mean, Median, Standard Deviation & More
Enter at least 2 numbers
How to Use This Statistics Calculator
1
Enter Your Data
Input your numbers separated by commas or spaces. Example: 1, 2, 3, 4, 5
2
Calculate
Click "Calculate Statistics" to get all statistical measures instantly.
3
View Results
Review mean, median, mode, standard deviation, variance, and more.
Statistics Examples
Test Scores
Data:
85, 90, 78, 92, 88
Mean:
86.6
Std Dev:
5.27
Understanding Statistics
Key Statistical Measures
- Mean: Average of all values (sum ÷ count)
- Median: Middle value when sorted
- Mode: Most frequently occurring value
- Standard Deviation: Measure of data spread
- Variance: Square of standard deviation
Frequently Asked Questions
What is the difference between mean and median?
Mean is the average (sum/count), while median is the middle value. Median is less affected by outliers.
What does standard deviation tell us?
Standard deviation measures how spread out the data is. Lower values mean data is closer to the mean.