Explain systematic sampling?
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Explain data munging?
Explain data wrangling?
What is a C ++ iterator?
You can roll a dice three times. You will be given $X where X is the highest roll you get. You can choose to stop rolling at any time (example, if you roll a 6 on the first roll, you can stop). What is your expected pay-out?
Differentiate between univariate, bivariate and multivariate analysis?
Define data discretization?
How is true positive rate and recall related? Write the equation.
Can you enumerate the various differences between supervised and unsupervised learning?
What is t test?
Why do you want to work at this company as a data scientist?
How do you do for loops in python and r?
A jar has 1000 coins, of which 999 are fair and 1 is double headed. Pick a coin at random, and toss it 10 times. Given that you see 10 heads, what is the probability that the next toss of that coin is also a head?