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Biostatistician Intern Interview Questions

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411 biostatistician intern interview questions shared by candidates

(First interview) You have mean, median, standard deviation, correlation. (a) If the scale was off by 5 units, which statistics would you have to recompute? (b) if you wanted to change from standard to metric, which statistics would you have to recompute?
avatar

Biostatistician

Interviewed at Natera

3.7★
Feb 5, 2021

(First interview) You have mean, median, standard deviation, correlation. (a) If the scale was off by 5 units, which statistics would you have to recompute? (b) if you wanted to change from standard to metric, which statistics would you have to recompute?

(Second interview) Tell me in your own words, pretending that your audience is a non-statistician, what is simple linear regression (or simple univariate regression) and what might you use it for? (a) What are the assumptions or conditions that need to be met to use this model? (b) What is the mathematical model that we are trying to fit? (c) Let’s say you have a bunch of data, like (x, y) pairs. Mathematically, how do you actually fit the model? How do you transform those x’s and y’s into a slope and intercept? (d) Let’s say that you have some data, you check all the assumptions and conditions, and everything looks good except there doesn’t seem to be normality. Can you still use the model? Or can you use parts of it and not others?
avatar

Biostatistician

Interviewed at Natera

3.7★
Feb 5, 2021

(Second interview) Tell me in your own words, pretending that your audience is a non-statistician, what is simple linear regression (or simple univariate regression) and what might you use it for? (a) What are the assumptions or conditions that need to be met to use this model? (b) What is the mathematical model that we are trying to fit? (c) Let’s say you have a bunch of data, like (x, y) pairs. Mathematically, how do you actually fit the model? How do you transform those x’s and y’s into a slope and intercept? (d) Let’s say that you have some data, you check all the assumptions and conditions, and everything looks good except there doesn’t seem to be normality. Can you still use the model? Or can you use parts of it and not others?

Basic interview Question: "You have the mean, median, standard deviation, correlation of a sample, which ones change or stay the same when you...1. Change the measurements by 5 units? 2. change to a different unit of measurement?
avatar

Biostatistician

Interviewed at Natera

3.7★
Jun 8, 2020

Basic interview Question: "You have the mean, median, standard deviation, correlation of a sample, which ones change or stay the same when you...1. Change the measurements by 5 units? 2. change to a different unit of measurement?

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