What prior subject is required to become a data analyst?
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Define a sql query? What is the difference between select and update query? How do you use sql in sas, python, r languages?
Differentiate between univariate, bivariate and multivariate analysis?
How do you understand by bias variance trade off?
What are outlier values and how do you treat them?
What is the difference between iterator and generator in Python?
What is term Pearson’s Correlation Coefficient?
What do you understand by the lattice package?
Define a sql query?
Differentiate between data modeling and database design?
How can the outlier values be treated?
What is k-means?
Pick up a coin C1 given C1+C2 with probability of trials p (h1) =.7, p (h2) =.6 and doing 10 trials. And what is the probability that the given coin you picked is C1 given you have 7 heads and 3 tails?
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