You are given a training dataset of users that contain their demographic details, the pages on Facebook they have liked so far and results of psychology test based on their personality i.e. their openness to like FB pages or not. How will you predict the age, gender and other demographics of unseen data?

0 Answers   American Express,

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Which laptop is best for data analysis?

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How will you cut a circular cake into 8 equal pieces?

0 Answers   Google,

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How do you treat multicollinearity and heteroscedasticity in regression? Name some packages in r and python for building regression models.

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What is a z test?

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From a long sorted list and a short 4 element sorted list, which algorithm will you use to search the long sorted list for 4 elements.

0 Answers   Amazon,

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Explain how can you assess a good logistic model?

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You are creating a report for user content uploads every month and observe a sudden increase in the number of upload for the month of November. The increase in uploads is particularly in image uploads. What do you think will be the cause for this and how will you test this sudden spike?

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You are at a Casino. You have two dices to play with. You win $10 every time you roll a 5. If you play till you win and then stop, what is the expected pay-out?

0 Answers   Facebook,

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What is meant by linear regression?

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What does a data scientist do?

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What do you mean by survival analysis in R?

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