What is a interquartile range in math3/18/2024 Students will work individually as they calculate the five-number summary for their data and draw a box plot above their line plots from Lesson 7, Task 3. Review the text in the student material, which shows how to find the lower and upper quartiles from an ordered list of data. Since the box contains the second and third quarters of the data, this is the middle 50%. It is the difference between the lower and upper quartiles. The width of the box is called the interquartile range (IQR). The second half of the data is the two quarters above the median.
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