COMMON DATA SCIENCE INTERVIEW QUESTION ASKED BY MICROSOFT

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             Most Important Interview question asked by Microsoft & many other big companies for Data Science :- 

Ques :- Generate 7 integers with equal probablity from a function which returns 1/10 with probablity p & (1-p) ?

Ques :- What are the ROC curve & the meaning of sensitivity, specificity, confusion matrix ?

ques :- What is the definition of a p-value? How to explain p-value to customers ?

Ques :- How do you detect if a new observation is an outlier ? 

Ques :- What is the bias-variance trade off ?

Ques :- You have a bag with 6 marbles. one marble is white. You reach the bag 100 times. After taking out a marble, it is placed back in the bag. What is the probablity of drawing a white marble at least once?

Ques :- What's power?  How to explain it to a non- statistics person? What's a false positive & false negative?

Ques :- Three friend's in Hyderabad told you it's rainy. Each has a probablity of 1/3 of lying. what's the probablity of Hyderabad is rainy?

Ques :- Difference between box plot & histogram.

Ques :- State the difference between Lasso & ridge. Introduce dimension reduction technique also.

Ques :- Give an example of a scenario where you would use Naive Bayes over another classifier.


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