Instructions . Click Clear and select Find mode.
• Create the following data set 1,3,3,3,4,5,5, 9.
Answer the following questions using the Gizmo
1. Move the red and yellow bar down until it hits the tallest stack of frogs. Look for the number at the bottom
of the stack. The number is
This is the mode, the most frequent value (or values) in the data
set.
2. Add another point at 5. What happens? There are now two modes:
and
3. Now move the point at 1 and the point at 9 to 4. The data set should now be {3, 3, 3, 4, 4, 4, 5, 5, 5}
Does this data set have a mode? No. All of the stacks are the same height, so there is no •
mode.