McKinsey & Company Data Science Intern Interview Questions and Answers for Freshers

Round duration - 90 Minutes
Round difficulty - Medium

The test is divided into 3 sections:
1. R coding.
2. Python coding. This section includes NumPy and scikit questions.
3. Statistics. This section includes T-tests, Anova regression distributions, and chi-square.
Each section has roughly 12 questions. The number of questions and difficulty is not set in advance, the test is adaptive. The more correct answers you give, the more the questions get tougher. The qualification does not depend upon the number of questions solved, rather on the difficulty level you can achive.

• Q1. Complete the Code Complete the function to find the value in a specified categorical column with the highest average of a specified numeric column. import panda...read more
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Round duration - 60 Minutes
Round difficulty - Hard

• Q1. Rotate matrix by 90 degrees You are given a square matrix of non-negative integers 'MATRIX'. Your task is to rotate that array by 90 degrees in an anti-...read more
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Round duration - 30 Minutes
Round difficulty - Medium

• Q1. Basic HR Questions

  How was your interview experience so far?
  Why do you want to join us?
  Are you a leader or a follower?

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