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The numbers of birds Jim spots on different days during a bird watching trip are: 12, 6, 7, 11, 11, 9, 13, 16, 10. What is the interquartile range of the data set?

Answer :

texaschic101
put the numbers in order...
6,7,9,10,11,11,12,13,16

Q1 = (7 + 9)/2 = 16/2 = 8
Q2 (median) = 11
Q3 = (12 + 13) / 2 = 25/2 = 12.5

IQR = Q3 - Q1 = 12.5 - 8 = 4.5 <===
AliciaSosokaFORELIFE
10, Hope this helped

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