Which of the following is not a commonly used graph?Select one:a.Pie chartsb.Cumulative frequency ogivesc.Doughnut chartsd.Frequency polygons

Break Down the Problem

1. Identify the types of graphs listed in the options.
2. Determine which one is not commonly used.

Relevant Concepts

• Pie Charts: Used to show proportions and percentages in a whole.
• Cumulative Frequency Ogives: A graph that shows cumulative frequency.
• Doughnut Charts: Similar to pie charts but with a hole in the middle; used to show proportions.
• Frequency Polygons: Used to show the distribution of a dataset.

Analysis and Detail

1. Pie Charts are widely used for visualizing proportional data.
2. Cumulative Frequency Ogives are standard in statistics for showing cumulative distributions.
3. Doughnut Charts are less traditional than pie charts but are still used in modern data representations.
4. Frequency Polygons are a statistical graph used traditionally in data analysis.

Verify and Summarize

After analyzing the four options, it's clear that all listed graphs are utilized in different contexts. However, doughnut charts are more of a visual variant and less frequently mentioned in statistical analysis compared to the others.

Final Answer

The answer is c. Doughnut charts.