Respuesta :

graysocean

Answer:

3

Step-by-step explanation:

Lower quartile (xL): 13.5

Upper quartile (xU): 18.5

Interquartile range (xU-xL): 3

Thanks!

fieryanswererft

Answer:

3 is the interquartile range.

To find interquartile range:

  • First find the upper quartile.
  • Secondly, find the lower quartile
  • interquartle range (IQR) : upper quartile(Q3)  - lower quartile (Q1)

Here:

  • upper quartile(Q3) = 18
  • lower quartile(Q1) = 15

using the formula:

→ 18 - 15

→ 3

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