What is the population in Nigeria, can you give me a 95% confidence interval?
Data Science Internship Interview Questions
40,336 data science internship interview questions shared by candidates
Tell me about a previous project you worked on during your past work experience.
There is a pool of people who took Uber rides from two cities that were close in proximity, for example Menlo Park and Palo Alto, and any data you could think of could be collected. What data would you collect so that the city the passenger took a ride from could be determined? If some type of supervised classification algorithm was used to split the two populations, for example Support Vector Machine, what type of business decision would you make on points that appear close to the hyperplane?
How do you deal with imbalance data
You have 2 groups of people and are testing 2 drugs. How would you design and experiment to test the effectiveness of both drug?
SE of sample mean & SE of sample median Write a function to return elements from the Fibonnaci sequence & analyze its computational complexity.
Basic probability question. Find probability of two cars meeting given certain conditions
Tell me about a past data science project that you've worked on.
What is the assumption of error in linear regression?
The challenge had 3 parts: SQL, Experiment Design, and Machine Learning. In the SQL portion you had to write some queries to answer complicated real world questions (without any data given, just a schema). In the experiment design portion you are asked to create a hypothetical plan to answer testing a new app. In the Data Science portion, you are asked to perform binary classification on a given data set, and return insights from the classification.
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