Post on 30-Oct-2014
description
Box-and-Whisker Plots
Algebra 1
6.7
p. 375
Box-and-Whisker Plots
A data display that divides a set into four parts.
Box-and-Whisker Plots
A data display that divides a set into four parts.
These for parts are called quartiles.
Making a Box-and-Whisker Plot
1. Find the median of the data.
Making a Box-and-Whisker Plot
1. Find the median of the data.• This is the second quartile.
Making a Box-and-Whisker Plot
1. Find the median of the data.
2. Find the first and third quartiles.
Making a Box-and-Whisker Plot
1. Find the median of the data.
2. Find the first and third quartiles.• These are the medians of the first half and
the second half.
Making a Box-and-Whisker Plot
1. Find the median of the data.
2. Find the first and third quartiles.
3. Draw a number line that includes the least number and the greatest number in the set.
Making a Box-and-Whisker Plot
1. Find the median of the data.
2. Find the first and third quartiles.
3. Draw a number line that includes the least number and the greatest number in the set.
4. Plot.
Making a Box-and-Whisker Plot
5. Draw a box below the number line from the first quartile to the third.• Draw a vertical line to represent the
second quartile.
Making a Box-and-Whisker Plot
5. Draw a box below the number line from the first quartile to the third.
Making a Box-and-Whisker Plot
5. Draw a box below the number line from the first quartile to the third.
6. Draw whiskers connecting the box to the least and greatest numbers.