One probability question and one r coding. Teams A and B are playing a game with 7 matches. A has probability p to win a match. What's the probability A wins the game at the 7th match.
Statistician Interview Questions
1,160 statistician interview questions shared by candidates
what will you do if your manager asks you do something which you think is wrong?
(1) 20 hard drivers under monitor for 100 hours. 4 of them were broken. The broken time was recorded. Provide a good estimator of the mean of the life time of the hard drive? Any assumption? (2) Compare two algorithms. The old algorithms was running in 50 countries and the running time of 4 consecutive weeks was recorded. Then the new algorithm was tested. The same countries, each countries 4 weeks records. So in total, we have 50 * 8 measurements. How to compare these two algorithms.
If I wanted to have children and when
when given a data set, what is the first step u take? before u start analyzing it?
In the coding interview: First question was to develop a function which takes a numeric list, and generates the results of the CDF of the empirical distribution for each number in that list. The second was to run a logistic regression (one line of code, very simple) The third was FizzBuzz The fourth was to generate an algorithm to add all the numbers in any given number. (ie, 132 => 1+3+2 = 6)
With a data set from normal distribution, suppose you can't get any observation greater than 5, how to estimate the mean?
SAS, SQL, logistic regression questions, estimate how many cars in Atlanta and how could you get the answer?
How to figure out missing data .
Why we can not use linear regression for dependent variable with binary outcomes
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