एक संचयी आवृत्ति वक्र (cumulative frequency curve) जो यह दर्शाता है कि किसी दी गई अवधि के दौरान एक निर्दिष्ट प्रवाह (discharge) कितने प्रतिशत समय के बराबर या उससे अधिक था, क्या कहलाता है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?