Third Quartile Box Plot. In this case all the quartiles are between numbers. Find the first and third quartiles of the data set 3 7 8 5 12 14 21 13 18.
The third quartile Q3 value from this box plot is O 48 O 60 O 37 O 29 In a poll of 300 preschoolers 125 said they preferred chocolate ice cream 71 said they preferred vanilla 100 said they preferred cookies. A box and whisker plotalso called a box plotdisplays the five-number summary of a set of data. This means that about 75 of the numbers in the data set lie below Q 3 and about 25 lie above Q 3.
Q3 Q1 15 4 11.
3 5 7 8 12 13 14 18 21. A box and whisker plotalso called a box plotdisplays the five-number summary of a set of data. Box plots help in displaying the differences between populations. Box Plot When we display the data distribution in a standardized way using 5 summary minimum Q1 First Quartile median Q3 third Quartile and maximum it is called a Box plot.
