How to Answer: What are some of the assumptions required to accurately perform a linear regression analysis?
Advice and answer examples written specifically for a Data Scientist job interview.
16. What are some of the assumptions required to accurately perform a linear regression analysis?
How to Answer
As a data scientist, you use many different methodologies to analyze the data sets you are working with. Often these methodologies involve several steps, assumptions, or other items. A common practice during an interview is providing the interviewer with a list of items in your answer. Organize your answer and make sure that none of the items are repeated in your answer.
Written by William Swansen on October 13th, 2021
Answer Example
"There are several assumptions that I use when performing a linear regression analysis. Some of these include:
o Ensuring that the data I use in the sample is representative of the population
o Determining if the variance of the residual is the same for any value of X
o Confirming that the relationship between X and the mean of Y is linear
o Reviewing the observations to ensure that they are unique and independent of each other"
Written by William Swansen on October 13th, 2021