Which of the following graph is the example of frequency polygon ?

• A. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q1a.png"><img alt="maths-questions-answers-geographical-representation-data-q1a" class="alignnone size-full wp-image-268646" height="278" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q1a.png" width="290"/></a>
• B. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q1b.png"><img alt="maths-questions-answers-geographical-representation-data-q1b" class="alignnone size-full wp-image-268645" height="284" sizes="(max-width: 301px) 100vw, 301px" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q1b.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q1b.png 301w, https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q1b-300x283.png 300w" width="301"/></a>
• C. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q3c.png"><img alt="maths-questions-answers-geographical-representation-data-q3c" class="alignnone size-full wp-image-268642" height="360" sizes="(max-width: 369px) 100vw, 369px" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q3c.png" srcset="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q3c.png 369w, https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q3c-300x293.png 300w" width="369"/></a>
• D. <a href="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q3d.png"><img alt="maths-questions-answers-geographical-representation-data-q3d" class="alignnone size-full wp-image-268641" height="273" src="https://www.sanfoundry.com/wp-content/uploads/2020/02/maths-questions-answers-geographical-representation-data-q3d.png" width="247"/></a>