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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 groups Given 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 quartile Group 1: Step 1: Put the data in order from least to greatest. Record the values of your median, lower quartile and upper quartile to answer 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 value which ever #(s) that occur the most How 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? 20 What is the median of the upper quartile? 30 38 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? 8 Ages of Students 10 12 14 16 18 What is the median value of Nike Sneakers? Which brand of sneakers has a price range of $10? Reebok What is the value of the median of the lower quartile for Nike Sneakers? Nike 32 34 36 38 40 42 44 46 48 50 52 Average Prices of Sneakers Reebok Nike |