Answer:
Yes, she can use a dotplot to describe her results.
Step-by-step explanation:
A dot-plot is a chart where each data is represented as a dot and it's values fall in discrete bins.
She can set a graph where 4 names of the product is represented on the horizontal axis and for each woman giving a name of the product, a dot is placed on top of the horizontal axis.
A sample dot-plot for this study is attached.
