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

Data Science Interview Questions

Questions Answers Views Company eMail

Define the term cross-validation

282

what the aim of conducting a/b testing?

295

What is the k-means clustering method?

332

Name various types of deep learning frameworks

379

State the difference between the expected value and mean value?

311

Explain auto-encoder

286

How do you overcome challenges to your findings?

335

Discuss normal distribution

356

Explain cluster sampling technique in data science

373

What is the importance of having a selection bias?

282

Explain the steps for a data analytics project

396

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

305

Name three types of biases that can occur during sampling?

304

What is a recall?

319

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

502

Post New Data Science Questions

Un-Answered Questions { Data Science }

Why we need ggplot?

406

Explain how to merge the files into a single dataframe?

330

How long does it take to become a data scientist?

404

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

322

What is the central limit theorem?

337

What is a C ++ iterator?

278

What are the differences between overfitting and underfitting?

379

How will you explain JOIN function in SQL to a 10 year old ?

345

What is term Pearson’s Correlation Coefficient?

335

What do you understand by confusion matrix?

326

How can outlier values be treated?

364

What are requirements for clustering?

462

How is data science different from data analytics?

317

Can you define a/b testing?

280

What is random forests and how is it different from decision trees?

263

For More Un-Answered { Data Science } Questions Click Here