Answer:
Step-by-step explanation:
The IQR of a box plot is [tex]Q_{3} - Q_{1}[/tex].
From the box plot, the first quartile, [tex]Q_{1}[/tex], is at [tex]6[/tex], and the third quartile, [tex]Q_{3}[/tex], is at [tex]10[/tex], so the IQR is
[tex]Q_{3} - Q_{1}[/tex]
[tex]10 - 6[/tex]
[tex]4[/tex]
