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Data Science Interview Questions
Questions Answers Views Company eMail

Define the term cross-validation

275

what the aim of conducting a/b testing?

287

What is the k-means clustering method?

320

Name various types of deep learning frameworks

365

State the difference between the expected value and mean value?

302

Explain auto-encoder

275

How do you overcome challenges to your findings?

327

Discuss normal distribution

345

Explain cluster sampling technique in data science

361

What is the importance of having a selection bias?

271

Explain the steps for a data analytics project

387

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

296

Name three types of biases that can occur during sampling?

295

What is a recall?

306

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

491


Post New Data Science Questions

Un-Answered Questions { Data Science }

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

295


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

491


How to run a pycharm debugging?

366


What is the role of activation function?

443


How will you handle missing data ?

387


Create a program in a language of your choice to read a text file with various tweets. The output should be 2 text files-one that contains the list of all unique words among all tweets along with the count for repeated words and the second file should contain the medium number of unique words for all tweets.

331


What is the basic responsibility of a data scientist?

283


How to choose the right chart in case of creating a viz?

261


Describe univariate, bivariate and multivariate analysis?

256


How will you test that there is increased probability of a user to stay active after 6 months given that a user has more friends now?

486


How do you overcome challenges to your findings?

327


A certain couple tells you that they have two children, at least one of which is a girl. What is the probability that they have two girls?

377


What is the difference between iterator and generator in Python?

358


What devices or tools help you most as a data scientist?

255


How can I become a data scientist?

311