एक सतत आवृत्ति वितरण का मानक विचलन (σ) किस सूत्र द्वारा दिया जाता है?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?