What is the interquartile range of the following data set? 9, 30, 2, 48, 42, 18, 81, 5, 71, 73, 11
a.71
b.73
c.80
d.62

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r3t40

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

i’m sorry but i don’t know sorry

for future students the answer is b

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-lavira: )