Box and Whisker Plots
 Before beginning these practice exercises on  Box and Whisker plots, please gather the following:         Calculator        Yesterday's notes        Pen/Pencil  Good Luck ! Step 2: Determine the median value of the data:  Step 3:  Now  use the median to divide the data into 2 groupsGiven the following data on ages of children.10,12,9,7,10,12,6 Construct a box and whisker plot.Step 4:   Median of the lower quartileGroup 1: Step 1:  Put the data in order from least to greatest. Record  the  values of your  median, lower quartile and upper quartile  toanswer questions on the next slide. ,,,,,   Group 2:,     Median of the upper quartile What is the lowest value of the data?What is the highest value of the data? (Problem continued  from previous slide) data on ages of children.10,12,9,7,10,12,6 Construct a box and whisker plot.   Warm Up  Exercises.  subtract the lowest # from the highest #sum of numbers ÷  number of data put data in order, find middle valuewhich ever #(s) that occur the mostHow do you find the range of a given set of data? Use the box and whisker plot to answer the questions. What is the median value of the data?What is the median of the lower quartile?20What is the median of the  upper quartile?3038 What is the age of the youngest student? What is the age of the oldest student?  What is the range of the data in this diagram?8Ages of Students1012141618 What is the median value of Nike Sneakers?Which brand of sneakers has a  price range of \$10?ReebokWhat is the value of the median of the lower quartile for Nike Sneakers?Nike32    34       36    38     40      42     44    46      48      50      52Average Prices of SneakersReebok Nike
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