Group Activity Cards
Calculators, chalkboard, meterstick
a class, calculate every student's age in months, rounding to the nearest
month. List the ages on the chalkboard.
number line on the chalkboard that includes the least to the greatest age of
the students. Place each number in its appropriate place above the number line.
Next, draw a box-and-wisker plot for the data. Make sure that you label the lower
extreme, lower quartile, median, upper quartile, and upper extreme.
the shape of the box-and-wisker plot. Where are the ages more spread out? Where
are the ages closer together? Why do you think it is this way?
find each student's age in days. Discuss what you think the box-and-wisker
plot for this data will look like. Will there be similarities? Will there be
new number line on the chalkboard that is the same length as the first number
line. Place it directly under the first number line. Label it with an appropriate
scale from the least to greatest age of the students in days. Draw a new box-and-wisker
plot using this number line. Compare box-and-wihisker plots. Check to see if
your answers to the above questions were correct.