Average Calculator
Calculate mean, median, mode, and range from any list of numbers. Paste a dataset and get all statistics instantly.
5 numbers entered
Mean (Average)
30
Median
30
Mode
None
Range
40
Sorted values
About the Average Calculator
Mean, median, and mode are three different ways to describe the center of a dataset, and they tell very different stories. For a dataset of 10 employee salaries where 9 earn ₹5L and 1 earns ₹50L, the mean is ₹9.5L (misleadingly high), but the median is ₹5L (representative of most employees). Choosing the right measure of central tendency is essential in business analysis, academic research, and everyday data interpretation.
Measures of Central Tendency
Mean = Sum of all values / Count · Median = middle value when sorted (average of two middle values if even count) · Mode = most frequently occurring value
Range = Maximum - Minimum · Standard deviation measures spread around the mean · For skewed data (income, property prices): median is more representative than mean
Worked Example
Monthly sales data: 120, 145, 132, 98, 210, 132, 165, 178, 145, 132
Mean = 145.7 · Median = 138.5 (avg of 5th & 6th sorted values) · Mode = 132 (appears 3 times) · Range = 112
Tips & Insights
- 1
For income, property prices, and other right-skewed data, median is always more meaningful than mean.
- 2
Multiple modes are possible - a bimodal distribution has two peaks, suggesting two distinct groups in the data.
- 3
Range alone is a poor spread measure - a dataset of [1, 50, 50, 50, 100] and [1, 25, 50, 75, 100] have the same range but very different distributions.
Why this matters for you
Statistical literacy is increasingly important as data surrounds every decision. A headline saying 'average salary ₹12L' can be misleading if a handful of high earners inflate the mean while most employees earn ₹5-6L. Understanding which average to trust - and when - is a critical thinking skill for consumers, managers, and citizens.
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