Family Gatherings by the Numbers
Ledet Family Ages: 1, 44, 3, 42, 46, 74, 75, 21, 74, 70, 40, 41, 45 Average: 44.3 years old
1 Order the Ages from Least to Greatest:
Then compute: Minimum Q1 Median Q3 Maximum Range Interquartile Range (IQR)
Watson Family Ages: 70, 68, 69, 72, 65, 75, 65, 78, 70, 72, 71, 70 Average: 70.4 years old
2 Order the Ages from Least to Greatest:
Then compute: Minimum Q1 Median Q3 Maximum Range Interquartile Range (IQR)
Box Plots - Visualizing Shape
Make box plots to each family’s age distribution on the number lines below. Hint: Plot the 5-Number Summaries, draw a box around the IQR (from Q1 to Q3), let the median split the box into 2 parts, and add whiskers from the box to the minimum and maximum values.
3 Ledet: 
4 Watson:
Compare and Contrast
5 For which family gathering was the average age more typical? How do you know?
6 What else do you Notice and Wonder about the data from these two family gatherings?
7 We plotted both of these box plots on number lines with the same scale. What are the pros and cons of that choice?
These materials were developed partly through support of the National Science Foundation, (awards 1042210, 1535276, 1648684, 1738598, 2031479, and 1501927). 
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