I show how to make a boxplot from a set of data (weights of cats): first you find the 5-number summary (minimum, lower quartile, median, upper quartile, maximum) and then use those to draw the boxplot on the number line.
I also discuss the meaning of the interquartile range and range as measures of variability. In this case, the data is spread out.
The 1st part of this lesson is at https://www.youtube.com/watch?v=4AKrmbM0axc
The video is meant for 7th graders as a review of how to draw a box-and-whisker plot but could also be used in grade 6 math when students are initially studying that topic.
Learn more 6th grade math with Math Mammoth Grade 6 curriculum at http://www.mathmammoth.com/complete/grade_6.php and 7th grade math with Math Mammoth Grade 7 Curriculum at http://www.mathmammoth.com/complete/grade_7.php
Tagged under: Statistics (Field Of Study),Box Plot,interquartile range,5-number summary,box--whisker plot,grade 6,grade 7,math
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