Data Science is among the leading and most popular technologies in the world today. Major organizations are hiring professionals in this field. With high demand and low availability of these professionals, Data Scientists are among the highest-paid IT professionals. This Data Science Interview preparation blog includes the most frequently asked questions in Data Science job interviews. Here is a list of these popular Data Science interview questions:

Q1. What do you understand by linear regression?
Q2. What do you understand by logistic regression?
Q3. What is a confusion matrix?
Q4. What do you understand by true positive rate and false-positive rate?
Q5. What is the ROC curve?
Q6. What do you understand by a decision tree?
Q7. What do you understand by a random forest model?
Q8. How is Data modeling different from Database design?
Q9. What is precision?
Q10. What is the recall?

Following are the three categories into which these Data Science interview questions are divided:

1. Basic Questions

2. Intermediate 

3. Advanced