What are outlier values?
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How will you deal with unbalanced data where the ratio of negative and positive is huge?
Define standard deviation, mean, mode and median.
Name three disadvantages of using a linear model?
What is missing value imputation? How do you handle missing values in python or r?
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 ?
A box has 12 red cards and 12 black cards. Another box has 24 red cards and 24 black cards. You want to draw two cards at random from one of the two boxes, which box has a higher probability of getting cards of same colour and why?
What is the difference between supervised and unsupervised methods?
What is logistic and linear regression?
What is the differences between univariate, bivariate and multivariate analysis?
What is normal distribution
Why is data cleaning essential in data science?
How do you treat multicollinearity and heteroscedasticity in regression?
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