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Below are the prices for different mufflers on a 1957 Chevy.
$1, $281, $165, $175, $285, $275, $281, $280, and $455.
a) Find Q1
b) What is the IQR?
and Q3
c) What do you get when you multiply the IQR by 1.5?
d) What do you get when you take the Q1 and subtract the number
from answer c (lower boundary)?
e) What do you get when you take the Q3 and add the number from
answer c (upper boundary)?
f) how many outliers are there?



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