A two-sample t-test question. Ask how to test launching an app works or not.
Data Scientist Internship Interview Questions
54,205 data scientist internship interview questions shared by candidates
The first round questions included basic dataframe manipulations, a regex question on writing a pattern to identify specific phrase which could have any number of random words in between (eg. between high and calorie, there could be any number of words upto 4 eg. high word1 calorie, high word1 word2 calorie' etc). This also needed some basic preprocessings like handling unidecode errors, punctuations and numbers in a string. Another question was a probability based descriptive question and a easy question on coding to print numbers between 0 to 100 which were prime.
How would you query an SQL database with Tera of data?
Why do you want to work at Parexel ?
they didn't have time for questions since they told me to come at the wrong time .
How would you balance precision and recall?
Do you have experience managing projects involving developers located on another continent?
I cannot disclose any question.
How would one develop the Like, Love, Sad feature?
Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. The probability that none of the ants collide = [ ? / ? ] Follow-up: k ants are sitting at the k corners of an equilateral polygon. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. The probability that none of the ants collide = [ ? / ? ] Count how many trailing 0 in (100!)
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