What is t test?
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List out the libraries in python used for data analysis and scientific computations?
What is the procedure to check the cumulative frequency distribution of any categorical variable?
Why we need ggplot?
What is logistic and linear regression? How do you treat multicollinearity and heteroscedasticity in regression?
Can you explain eigenvalue and eigenvector?
What is data science? Also, list the differences between supervised and unsupervised learning.
How do you define data science?
How does data cleaning plays a vital role in the analysis?
Explain the goal of a/b testing?
What do you understand by confusion matrix?
You are given 50 cards with five different colors- 10 Green cards, 10 Red Cards, 10 Orange Cards, 10 Blue cards, and 10 Yellow cards. The cards of each colors are numbered from one to ten. Two cards are picked at random. Find out the probability that the cards picked are not of same number and same color.
What is the differences between univariate, bivariate and multivariate analysis?
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