Explain how to merge the files into a single dataframe?
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What is an api? What are apis used for?
What do you mean by cluster sampling and systematic sampling?
Why data cleaning plays a vital role in the analysis?
Burn two ropes, one needs 60 minutes of time to burn and the other needs 30 minutes of time. How will you achieve this in 45 minutes of time ?
What is bias – variance tradeoff?
What is meant by binomial distribution?
You created a predictive model of a quantitative outcome variable using multiple regressions. What are the steps you would follow to validate the model?
what the aim of conducting a/b testing?
Differentiate between univariate, bivariate and multivariate analysis?
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Can you explain cross-validation?
What skills do I need to be a data scientist?
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