AdvancedNumeric answer
How many independent observations are needed to detect an information coefficient of at two standard errors?
Answer with a number. Fractions, powers and expressions like 23/6 or C(52,5) are read correctly in practice.
The worked solution is in Premium
The answer, the full working and the one idea to take away – for this and all 1,322 questions in the bank. Answer it in practice and your working is marked, with a known mistake named when you make one.
Learn the method
More research case studies questions
- You are asked to "predict demand" for a bike-share operator. What do you say first?Foundation
- Your evaluation metric is mean absolute error and the target is heavily skewed.Foundation
- Why does an interviewer ask for a baseline before you describe your model?Applied
- You forecast demand to decide inventory, where being short costs four times as…Applied
- You are asked to predict house prices, which range from tens of thousands to…Applied
- A target takes values 1,2,3,4,100.Applied