What is the aim of a/b testing?


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More Data Science Interview Questions

Which package is used to do data import in r and python? How do you do data import in sas?

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You are about to get on a plane to Seattle, you want to know whether you have to bring an umbrella or not. You call three of your random friends and as each one of them if it's raining. The probability that your friend is telling the truth is 2/3 and the probability that they are playing a prank on you by lying is 1/3. If all 3 of them tell that it is raining, then what is the probability that it is actually raining in Seattle.

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What is data science with example?

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How are confidence intervals constructed and how will you interpret them?

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How do you take millions of users with 100's of transactions each, amongst 10000's of products and group the users together in a meaningful segments?

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What is reinforcement learning?

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You own a clothing enterprise and want to improve your place in the market. How will you do it from the ground level ?

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What is the difference between cluster and systematic sampling?

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How can you iterate over a list and also retrieve element indices at the same time?

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Which methods are defined for a class of iterators?

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What is chi square test?

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Explain data preparation?

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