# 88

Preguntas de entrevista para Senior Statistician compartidas por los candidatos

## Principales preguntas de entrevista

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A un Senior Research Bio Statistician le preguntaron...23 de noviembre de 2009

### what will you do if your manager asks you do something which you think is wrong?

2 respuestas

I will present my case; if he doesn't agree with me, I will still follow him.

I will also follow to certain stage to see if I can learn something new out of this. If it keep continuing, I would seriously consider changing the job. Menos

### Basic questions about resume and work related projects

1 respuestas

I did a pretty good job and they told me they will contact me about the result within a week but they never did. I even sent an email a week later to follow up which they didn’t answer. If you expect applicants to prepare for a long day of interviews and presentations, they deserve to get an email of the result. Menos

### 1. what is the F distribution can be used for ? 2. write the distribution function of X/Y, if X and Y are iid standard normal ? 3. calculated the sample sized you needed to obtain a 5% range of true variance of a standard normal distributed sample.

1 respuestas

1, Used as a test statistic to test equal variance of a two sample 2, cauchy, but I didn't wrote the formula right at the interview Menos

### Do you disgree with your manager

1 respuestas

No. I always agree with my manager.

### What is the assumption for Cox Regression Model?

1 respuestas

The Hazard Ratio is proportional to each other

1 respuestas

### three ants at a triangle, and they can only go through the lines (they can go either direction), and the probability that either two ants meet?

1 respuestas

3/4. Assuming the ants' decisions are random independent of one another, there are only two ways that no ants meet: they either all go right or they all go left. The probability that they all go left is (1/2)(1/2)(1/2) = 1/8; the probability that they all go right is (1/2)(1/2)(1/2) = 1/8. Thus the probability of either of these events happening is 1/8 + 1/8 = 1/4, making the complement of it 1 - 1/4 = 3/4 Menos

### What they can learn from me

1 respuestas

Recruitment their future employee

### Describe past work examples that demonstrates ...

1 respuestas

Used an project as example to explain...

### Can you give me an example of a piece of statistical work you were proud of.

1 respuestas

I answered with an example of a time I applied methods from survival analysis to left censored mass spectrometry data. Menos

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