संचयी आवृत्ति वितरण (Cumulative frequency distribution) को किसके द्वारा प्रदर्शित किया जाता है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?