“Create a dot plot titled Peak Packaging Weights for package weights in kilograms of 2.1, 2.4, 2.4, 2.7, 3, 3, 3, 3.3, 3.3, 3.8, 4.1, 4.1, 4.5, 5.2 and 6.4, stacking equal values.”
Lee las decisiones que hay detrás.
use the named categories and period.
keep the title and units explicit.
treat the example as a clear communication aid.
Use this dot plot for the stated comparison and audience.
Preguntas habituales
Why are dots stacked?
Stacking separates repeated values so their frequency is visible.
What does the horizontal axis show?
It shows the measured value for each individual observation.
When should I use a histogram instead?
Use a histogram when the dataset is large enough that individual dots become crowded.