# 291

Biostatistician interview questions shared by candidates

## Top Interview Questions

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### What is the most widely used method in survival data analysis?

I'd say log-rank test.

Cox regression, it is an semiparametric method

Chi Square test.

hh

### working experience, need visa or not, salary expectation, strength and weakness.

The same happened to me, I had 4 interviews so far and i have arranged my last one with the Head of the department.I hope everything goes well Less

### The height, weight of 100 people is taken in inches and pounds. The mean, median, sd, correlation is given. 1) If the height and weight are off by 5 units, which of the summary stats will change or not? 2) If the height and weight are to be calculated in cms and kgs, which of the summary stats will change or not?

1) The mean and median would change, the standard deviation and correlation would not. 2) The mean, median and standard deviation would change, the correlation will not. Less

### 2nd round vedio interview

Nothing special but introduce yourself, etc. And then explain your answer to the test, it's easy as long as you have trial experience Less

### What would you do if you couldn't meet a deadline even after you've asked for help from colleagues, what would you do?

Answered I would be honest with client and would ask to postpone the deadline. This was not an acceptable answer according to them. What else am I supposed to do? Do some magic trick to get the work done? Less

### What is the difference between parametric and non-parametric regressions?

Parametric distribution follows a well known distribution such as normal distribution, or a chi-square distribution meanwhile the non-parametric distribution has an unknown distribution. Less

### Stage 2 interview Question: "What is a type 2 error, can you explain it in detail?"

Type 2 error is a false negative. It's the probability of incorrectly retaining the null hypothesis Less