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Data Science Interview Questions
Questions Answers Views Company eMail

Define the term cross-validation

317

what the aim of conducting a/b testing?

332

What is the k-means clustering method?

376

Name various types of deep learning frameworks

439

State the difference between the expected value and mean value?

345

Explain auto-encoder

330

How do you overcome challenges to your findings?

361

Discuss normal distribution

391

Explain cluster sampling technique in data science

406

What is the importance of having a selection bias?

322

Explain the steps for a data analytics project

455

Treating a categorical variable as a continuous variable would result in a better predictive model?

329

Name three types of biases that can occur during sampling?

331

What is a recall?

381

Explain the method to collect and analyze data to use social media to predict the weather condition?

546


Post New Data Science Questions

Un-Answered Questions { Data Science }

What is the difference between bayesian estimate and maximum likelihood estimation (mle)?

319


What skills do I need to be a data scientist?

337


From a long sorted list and a short 4 element sorted list, which algorithm will you use to search the long sorted list for 4 elements.

328


Advantages of tableau prep?

335


Find out K most frequent numbers from a given stream of numbers on the fly.

329


How do you understand by bias variance trade off?

334


What are Random Forests?

352


What is the job of analytics?

363


You have two tables-the first table has data about the users and their friends, the second table has data about the users and the pages they have liked. Write an SQL query to make recommendations using pages that your friends liked. The query result should not recommend the pages that have already been liked by a user.

426


How will you cut a circular cake into 8 equal pieces?

304


Describe some assumptions considered important for linear regression?

312


what is the difference between extrapolation and interpolation?

357


Pycharm has a debugger?

481


How would you say data science is similar or different to business analytics and business intelligence?

312


How will you drop variables using indices in a data frame?

375