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balandron [24]
3 years ago
7

What is the IQR (Inter Quartile Range) for the data set? 11 6 19 14 21 7 13 15 15 Question 10 options: 8 9 15 17

Mathematics
1 answer:
Gnesinka [82]3 years ago
7 0
IQR is the Q3 - Q1 

Put the data in order.....

6, 7, 11, 13, 14, 15, 15, 19, 21 
       ^             ^             ^  
      9(Q1)     14(Q2)    17(Q3) 

17 (Q3) - 9 (Q1) = 8 (IQR) 

So the answer to your question is the first option, 8. 

Hope this helps! :D



       
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