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What is the Wilk-Shapiro measure, and how is it used to test for normality in a dataset?

Tell us about how Zomato aligns with your longer-term goals

Can you talk about probability distribution that breaks away from the standard normal distribution? Additionally, could you give an example of a field where this probability distribution is relevant?

Assuming I pick a card from a deck at random, what's your chance of guessing it right? If you could ask whether it's red or a face card before guessing, which question would help you the most?

If you give N users a 5$ coupon, with the probability of usage being P, what is the expected coupon spend? What assumptions would you make to underpin that answer? What is the probability that one of the coupons will be used?

Can you develop an algorithm to find the integer that causes a problem in an array of sorted integers from 0 to n? Your solution should have a time complexity of O(log n).

What would be your methodology for conducting an A/B test that can highlight a 3% enhancement in effectiveness when comparing two product campaigns?

How do you identify and rectify multicollinearity in your datasets?

Describe your process for speeding up a slow SQL query.

Why is multicollinearity a problem in regression models?