A University Is Interested in Their Students' Eating Habits Which of the Following Types of Graphs Is Least Effective

Multiple Choice

A university is interested in their students' eating habits. They sampled students and asked the number of meals they usually skip in a given a week.
$$\begin{array} { c c } \hline \begin{array} { c } \text { Number of } \\\text { Meals }\end{array} & \text { Number of students } \\\hline 1 & 40 \\2 & 89 \\3 & 20 \\4 & 38 \\5 & 30 \\6 & 39 \\\hline\end{array}$$ Which of the following types of graphs is least effective for this data?

A) histogram
B) frequency polygon
C) stem and leaf graph
D) all of the above are actually effective and equally useful for this data