मापन की स्थितियों में अप्रत्याशित और अपरिहार्य विविधताओं के कारण किस प्रकार की त्रुटि (error) होती 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?