# How to find interquartile range

Finding the interquartile range of a data set · Order the data from least to greatest. · Split the data into a lower half and an upper half. · Find Q1 and Q3.

**Quartiles \u0026 Interquartile Range**

How to Find the Interquartile Range (IQR) by Hand The formula for finding the interquartile range takes the third quartile value and subtracts the first.

Calculating Interquartile Range Excel · Select the cell, where we want to get the value of Q1. Then type =Quartile(array,1). · Now, calculate the value of Q3 the. How to Calculate the Interquartile Range? · Arrange the given set of numbers into increasing or decreasing order. · Then count the given values. · Median equally.

Example 2: Determine the interquartile range value for the first ten odd numbers. Since 10 is even, using the median formula, we find the median as the mean. The interquartile range of an observation variable is the difference of its upper and lower quartiles. It is a measure of how far apart the middle portion. This simple tool works out the interquartile range of a set of numbers by calculating the 25th and 75th percentiles, and then subtracting the former from. You are now ready to find the interquartile range (IQR). The interquartile range is the difference between the upper quartile and the lower quartile. In example.

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Statistics - Compute the interquartile range using the TI-83/84 calculator### How to Find the Interquartile Range (IQR) by Hand The formula for finding the interquartile range takes the third quartile value and subtracts the first.: How to find interquartile range

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