Teaching JKPSC Lecturership Mock Test Series 2024-25 Business Statistics and Research Methods Probability Distribution
For frequency distribution presentation, which option is wrong?
1
In a histogram, a bar is created above each score (or class interval) so that the height of the bar corresponds to the frequency
2
Bar graph presents score categories that are measured from a nominal or an ordinal scale
3
The smooth curve emphasizes the fact that the distribution is not showing the exact frequency for each category.
4
In a polygon, an additional line is not drawn at each to bring the graph back to a zero frequency