Lower Quartile Calculator | First Quartile Calculator | Calculate Q1 for free online

First Quartile Calculator

Welcome to the First Quartile Calculator. This tool helps you calculate the first quartile (Q1) of your data set easily. Quartiles divide a ranked data set into four equal parts, and Q1 represents the value below which 25% of the data lies.

How to Use: Enter your data as a sequence of comma-separated numbers (e.g., 3, 5, 8, 12, 15). Ensure that the values are numeric and ordered in ascending order automatically. Click "Calculate" to get the first quartile instantly!

Enter your data (comma-separated):

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