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#### Add Median Calculator to Your Browser Bookmarks

1. For **Windows** or **Linux** - Press **Ctrl+D**

2. For **MacOS** - Press **Cmd+D**

3. For **iPhone (Safari)** - **Touch and hold**, then tap **Add Bookmark**

4. For **Google Chrome** - Press **3 dots** on top right, then press the **star sign**

1
### Step 1

Enter your set of numbers in the input field. Numbers must be separated by commas.

2
### Step 2

Press Enter on the keyboard or on the arrow to the right of the input field.

3
### Step 3

In the pop-up window, select “Find the Lower or First Quartile”. You can also use the search.

Quartiles are values that divide a data table (or part of it) into four groups containing an approximately equal number of observations. The total volume is divided into four equal parts: 25%, 50%, 75% 100%. The first quartile (or lower quartile) Q1 is defined as a value containing an f-value of 0.25. This is the same as the twenty-fifth percentile. The first quartile is calculated by interpolating between f-values that are directly below and above 0.25 to find the value corresponding to the f-value of 0.25.