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 is term Pearson’s Correlation Coefficient?

370

What is meant by feature vectors?

328

What is meant by R statistics?

333

Name Methods to Calculate Distance Measure?

374

Explain types of statistical data?

323

What functions are required to principal analysis in R?

431

What is need of principal component analysis?

426

What is meant by lattice graphs?

418

What do you understand by Linear Regression in R?

606

What are Principal components?

504

What is meant by lattice?

517

A dice is rolled twice, what is the probability that on the second chance it will be a 6?

Citi Bank,

333

On rolling a dice if you get $1 per dot on the upturned face,what are your expected earnings from rolling a dice?

289

You have two sorted array of integers, write a program to find a number from each array such that the sum of the two numbers is closest to an integer i.

Adobe,

328

How can you compute an inverse matrix faster by playing with some computation tricks?

Microsoft,

336

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Un-Answered Questions { Data Science }

What does pip installation?

334

You have a bag with 6 marbles. One marble is white. You reach the bag 100 times. After taking out a marble, it is placed back in the bag. What is the probability of drawing a white marble at least once?

313

What are eigenvectors and eigenvalues?

424

What Is An Avl Tree?

316

What is a document database?

404

How do you treat colinearity?

319

What are the drawbacks of the linear model?

353

What are disadvantages of bootstrap development?

374

How to work towards a random forest?

432

Discuss normal distribution

394

What are numpy, scipy, and spark essential datatypes?

407

What do you do as a data scientist?

347

What is a recommender system?

372

What is the travelling salesman problem?

299

What do you understand by decision tree?

466

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