When scores are grouped in constructing a frequency polygon or scatterplot:
A) all intervals must be the same size
B) individual scores (within intervals) are plotted
C) there should be at least 30 intervals
D) each interval should contain 5-10 scores

Question

Quizplus · Accepted Answer

In constructing a frequency polygon or scatterplot, it's important for all intervals to be the same size to ensure consistency and accuracy in the representation of data. This allows for a clear comparison between different intervals.

When Scores Are Grouped in Constructing a Frequency Polygon or Scatterplot