Question

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What is the inter-quartile range of the given data set? image below

A: 2
B: 3
C: 6

Answer 1

Well it's Q3-Q1

Answer 2

Based on your set of data...

Answer 3

That would be 20-17.

Answer 4

Thus, the interquartiile range is 3.

Answer 5

oh i was thinking i had to subtract 21 and 15

Answer 6

Nope. 15 is the lowest number in the list of terms. 21 is the highest. Those aren't your quartiles. The quartile numbers make up the left and right edges of the box.

Answer 7

alright thanks a lot!

Answer 8

No problem! Any questions that need an in depth explanation, message me! :) I'm always happy to help!