Data Analysis Calculator 2026 – Mean, Median, Mode & Statistics
Complete data analysis with mean, median, mode, range, quartiles, variance, standard deviation, minimum, maximum, and frequency distribution.
Updated for 2026
By the GlobalCalqulate team, founded by Pavan Kusunuri · About our editorial standards
Frequently Asked Questions
Clear answers to common questions to help you use this calculator confidently.
What is descriptive statistics?
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What is descriptive statistics?
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Descriptive statistics summarize and describe the main features of a dataset, including measures of central tendency and dispersion.
What is the difference between mean, median, and mode?
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What is the difference between mean, median, and mode?
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Mean is the average. Median is the middle value. Mode is the most frequent value.
What are quartiles?
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What are quartiles?
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Quartiles divide data into 4 equal parts. Q1 (25th percentile), Q2 (median/50th), Q3 (75th percentile).
What is interquartile range (IQR)?
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What is interquartile range (IQR)?
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IQR = Q3 - Q1. It measures the spread of the middle 50% of data, resistant to outliers.
How do I interpret standard deviation?
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How do I interpret standard deviation?
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Standard deviation measures how spread out numbers are from the mean. Larger SD = more spread.
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