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nignag [31]
3 years ago
7

The following data set is graphed using a box plot. What is the first quartile of the data set? 67 48 39 90 33 15 80

Mathematics
1 answer:
Hunter-Best [27]3 years ago
6 0
The first step is to order the numbers in ascending order: 

15, 33, 39, 48, 67, 80, 90 

to find quartiles, split the data into two. the first quartile is the median of the bottom half. (second quartile is median of the whole unit, and third q is median of the top half)

i.e. the median of 15, 33, 39

which is 33 :)
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