Data Science Interview Questions

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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?

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Un-Answered Questions { Data Science }

What does pip installation?

What does the future hold for data scientists?

What is a joke that people say about you and how would you rate the joke on a scale of 1 to 10?

How do you check for data quality?

Write the formula to calculate r-square?

Define the unit test with PyUnit?

Can you explain the difference between a validation set and a test set?

What do you understand by linear regression and logistic regression?

Explain p-value?

How would you create a taxonomy to identify key customer trends in unstructured data?

What do you understand by the lattice package?

Define analytics?

What are the various steps involved in an analytics project?

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

What do you understand by statistical power of sensitivity and how do you calculate it?