2018 · Q58
As the number of observations and classes increases, the shape of a frequency polygon
Elementary MathematicsStatistics
- ATends to become jagged
- BTends to become increasingly smooth
- CStays the same
- DVaries only if data become more reliable
Explanation
As the number of observations and classes increases, the frequency polygon approximates the underlying frequency curve ever more closely. It therefore tends to become increasingly smooth. Hence option B.