Hard Difficulty
Hard questions require advanced understanding and critical thinking. Here, your problem-solving skills are key, as these questions often involve complex scenarios needing in-depth analysis and well-structured responses.
Statistics question
Statistics questions assess your understanding of data analysis principles. Show your knowledge of probability, statistical inference, experimental design, and how you apply quantitative methods to interpret data and draw valid conclusions.
Here's a Hint
Use appropriate libraries (numpy, matplotlib) and focus on both the random sampling technique and the visualization approach with proper labeling.
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