Data Science Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Science Interview Questions

Questions Answers Views Company eMail

What are the applications of data science?

326

What is the difference between data science, machine learning and artificial intelligence?

284

Can you define cluster sampling?

339

Can you explain systematic sampling?

294

Can you define linear regression?

277

Can you define analytics?

306

What is the differences between univariate, bivariate and multivariate analysis?

313

Can you explain root cause analysis?

260

Can you write the formula to calculate r-square?

273

Can you explain k-mean?

346

Why is data munging useful?

256

Can you define data reduction?

245

Can you define convex hull?

314

Can you explain recommender system?

285

Can you explain data preparation?

301

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Un-Answered Questions { Data Science }

What is cross-validation?

252

What are applications of ggplot2?

332

What is k-means? How can you select k for k-means?

298

Is 8gb ram enough for data analysis?

339

Discuss decision tree algorithm?

262

What is meant by lattice graphs?

356

What is skewed distribution & uniform distribution?

289

What is the difference between select and update query?

337

Advantages of tableau prep?

295

What skills do I need to be a data scientist?

299

What is back propagation?

274

What is a linear regression?

312

What is meant by Poisson regression?

328

What are the various classification algorithms?

305

What is the difference between a bagged model and a boosted model?

295

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