A line chart or frequency polygon is based on
A)the upper limits of each interval.
B)the lower limits of each interval.
C)the midpoint of each interval.
D)any limit which the researcher selects.

Question

Quizplus · Accepted Answer

A line chart or frequency polygon is typically based on the midpoint of each interval. This provides a clear and accurate representation of the distribution of the data, as it takes into account the actual values within each interval rather than just the upper or lower limits.

A Line Chart or Frequency Polygon Is Based on