What is a boxplot?
Boxplots

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•
Mathematics
•
6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A boxplot is a graphical representation of a dataset that shows its minimum, first quartile (Q1), median, third quartile (Q3), and maximum values.
2.
FLASHCARD QUESTION
Front
What does the median represent in a boxplot?
Back
The median is the middle value of a dataset when it is ordered from least to greatest, dividing the dataset into two equal halves.
3.
FLASHCARD QUESTION
Front
What are quartiles in a boxplot?
Back
Quartiles are values that divide a dataset into four equal parts: Q1 (25th percentile), Q2 (50th percentile or median), and Q3 (75th percentile).
4.
FLASHCARD QUESTION
Front
What is the interquartile range (IQR)?
Back
The IQR is the range between the first quartile (Q1) and the third quartile (Q3), representing the middle 50% of the data.
5.
FLASHCARD QUESTION
Front
How do you find the lower quartile (Q1)?
Back
Q1 is the median of the lower half of the dataset, excluding the overall median if the number of data points is odd.
6.
FLASHCARD QUESTION
Front
How do you find the upper quartile (Q3)?
Back
Q3 is the median of the upper half of the dataset, excluding the overall median if the number of data points is odd.
7.
FLASHCARD QUESTION
Front
What does a boxplot tell you about outliers?
Back
Outliers are data points that fall outside 1.5 times the IQR above Q3 or below Q1, and they are often represented as individual points on the boxplot.
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