Describe univariate, bivariate and multivariate analysis?
Explain recommender system?
Why do you want to work at this company as a data scientist?
How can you produce co-relations and covariances?
Explain why data cleansing is essential and which method you use to maintain clean data?
Estimate the probability of a disease in a particular city given that the probability of the disease on a national level is low.
How do you use goal seek in excel?
Why is it mandatory to clean a data set?
Discuss linear regression?
What is the central limit theorem and why is it important?
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 probability of drawing a white marble at least once?
What is machine learning? What is the difference between supervised and unsupervised methods?
What is a recommender system?
Explain the difference between data science and data analytics?
What would you do to summarize a Twitter feed?
