Unexpected: Did I use a Q-Q plot?
Scientist Interview Questions
54,225 scientist interview questions shared by candidates
You have two populations, with information on size of sample, mean and std for their weight. How can you determine that one population weighs more than the other?
How you could contribute to the team with quantitative modelling? Present the answer with details.
"For a user X, recommend 5 playlists they would like that they haven’t heard before. You can attempt this via SQL or any other programming language of your choice. Please explain your logic."
# Q1: Write a function to intersect two *sorted* lists (find common elements) # Write a method taking two lists as input, and returning a new list # You can assume you have a reasonable array/list class available (ArrayList, vector, python list, etc) # Ex: # l1 = [1,2,3,4,5] # l2 = [1,5,7,11,100] # result = [1,5]
How to recommend the price for a new vacation rental.
A two-sample t-test question. Ask how to test launching an app works or not.
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?
Viewing 241 - 250 interview questions