एक सरल रेखीय प्रतीपगमन समीकरण में, यदि व्याख्यात्मक चर (explanatory variable) उपद्रव पद (stochastic disturbance term) के साथ सह-संबंधित है, तो साधारण न्यूनतम वर्ग (OLS) आंकलनकर्ता होते हैं:

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?