Suppose that American Express has 1 million card members along with their transaction details. They also have 10,000 restaurants and 1000 food coupons. Suggest a method which can be used to pass the food coupons to users given that some users have already received the food coupons so far.

0 Answers   American Express,

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What prior subject is required to become data analyst?

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What is churn? How would it help predict and control churn for a customer?

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Can you explain data cleansing?

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You have two sorted array of integers, write a program to find a number from each array such that the sum of the two numbers is closest to an integer i.

0 Answers   Adobe,

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Explain the difference between a validation set and a test set?

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

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What are the differences between overfitting and underfitting?

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What do you understand by bias, variance trade-off?

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There are 8 identical balls and only one of the ball is slightly heavier than the others. You are given a balance scale to find the heavier ball. What is the least number of times you have to use the balance scale to find the heavier ball?

0 Answers   Goldman Sachs,

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Case Study based questions - Cars are implanted with speed tracker so that the insurance companies can track about our driving state. Based on this new scheme what kind of business questions can be answered?

0 Answers   Mu Sigma,

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What are the different performance metrics for evaluating Uber services?

0 Answers   Uber,

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