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Data Science Interview Questions
Questions Answers Views Company eMail

Can you define a/b testing?

272

What cross validation technique would you use on time series data set? Is it k-fold or loocv?

277

Can you explain interpolation and extrapolation?

280

Can you explain difference between data modeling and database design?

312

Explain while working on a data set, how do you select important variables?

311

Explain how can you assess a good logistic model?

265

Define cluster sampling?

283

Explain data munging?

325

Explain root cause analysis?

302

How is true positive rate and recall related?

246

Explain the differences between bivariate and multivariate analysis?

287

Explain interpolation and extrapolation?

263

Explain data wrangling?

306

Define a/b testing?

324

Explain unsupervised learning?

259


Post New Data Science Questions

Un-Answered Questions { Data Science }

Explain data preparation?

263


Do you need a teacher to be a scientist?

287


What is logistic and linear regression?

293


Please explain gradient descent?

295


Explain while working on a data set, how do you select important variables?

311


Explain the difference between Supervised and Unsupervised Learning through examples.

329


What’s the difference between pip and pip3?

335


Where to seek help in case of discrepancies in tableau?

524


why do you need to perform resampling?

296


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

278


What are apis used for?

330


Define boltzmann machine

273


Why data science and data scientists are needed?

255


what is the difference between extrapolation and interpolation?

302


Count the total number of trees in United States.

286