Mean Median Mode Calculator

Calculate mean, median, mode, range, and standard deviation for any data set. Enter numbers to get all statistics.

Enter Numbers (separated by commas, spaces, or new lines)

How to Use the Mean Median Mode Calculator

Enter your numbers separated by commas, spaces, or new lines. The calculator will instantly compute the mean (average), median (middle value), mode (most frequent value), range, standard deviation, variance, sum, and count. This is perfect for homework, statistics assignments, or quick data analysis.

Understanding Descriptive Statistics

Descriptive statistics summarize a data set with a few key numbers. The mean, median, and mode are measures of central tendency that describe the center of your data. Range and standard deviation are measures of spread that describe how much variation exists. Together, these statistics give you a complete picture of your data distribution.

Frequently Asked Questions

What is the difference between mean, median, and mode?

Mean is the average (sum divided by count). Median is the middle value when sorted. Mode is the most frequently occurring value. For example, in the set {1, 2, 2, 3, 10}, the mean is 3.6, the median is 2, and the mode is 2.

When should I use median instead of mean?

Use median when your data has outliers or is skewed. For example, median household income is preferred over mean because a few extremely high incomes would skew the average. Median gives a better representation of the typical value.

What is standard deviation?

Standard deviation measures how spread out the values are from the mean. A low standard deviation means values are clustered close to the mean, while a high standard deviation means values are more spread out.

Can a data set have more than one mode?

Yes. A data set with two modes is called bimodal, and a set with more than two modes is called multimodal. If no value repeats, the data set has no mode.