Top 100+ questions and answers in Data Science

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Q: What is the difference between supervised learning and unsupervised learning? Give concrete examples

answered May 27 in Data Science

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Q: What is the difference between machine learning and deep learning?

answered Jan 2, 2020 in Data Science

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Q: Provide a simple example of how an experimental design can help answer a question about behavior

answered May 29 in Data Science

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Q: Explain selection bias (with regard to a dataset, not variable selection).

answered May 29 in Data Science

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Q: What is the statistical power?

answered May 29 in Data Science

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Q: What is the Central Limit Theorem? Explain it. Why is it important?

answered May 29 in Data Science

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Q: Explain what a long-tailed distribution is and provide three examples of relevant phenomena that have long tails.

answered May 29 in Data Science

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Q: How do you assess the statistical significance of an insight?

answered May 29 in Data Science

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Q: You are given 40 cards with four different colors- 10 Green cards, 10 Red Cards, 10 Blue cards, and 10 Yellow cards.

answered May 29 in Data Science

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Q: You are about to get on a plane to London, you want to know whether you have to bring an umbrella or not

answered May 29 in Data Science

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Q: Make an unfair coin fair

answered May 29 in Data Science

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Q: How can you tell if a given coin is biased?

answered May 29 in Data Science

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Q: You are at a Casino and have two dices to play with

answered May 29 in Data Science

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Q: A box has 12 red cards and 12 black cards. Another box has 24 red cards and 24 black cards.

answered May 29 in Data Science

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Q: Describe Markov chains?

answered May 28 in Data Science

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Q: Walk through the probability fundamentals

answered May 28 in Data Science

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Q: Difference between convex and non-convex cost function; what does it mean when a cost function is non-convex?

answered May 28 in Data Science

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Q: You randomly draw a coin from 100 coins — 1 unfair coin (head-head), 99 fair coins (head-tail) and roll it 10 times.

answered May 28 in Data Science

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Q: The probability that item an item at location A is 0.6, and 0.8 at location B. What is the probability that item would be found on Amazon website?

answered May 28 in Data Science

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Q: What is boosting?

answered May 28 in Data Science

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