not significant, indicating that changing operator has no more impact on the result than repeating the measurement ten times; significant, indicating that changing operator has an impact on the result ...

Variance is a key statistical measure that represents the degree of spread or dispersion in a dataset. It quantifies how much individual data points differ from the mean (average) value of the dataset ...

Christenson, Charles. "Managing against Expectations (A): An Introduction to Profit Variance Analysis." Harvard Business School Background Note 182-013, July 1981.

The goal of this second assignment is to help you better understand the important notions of bias and variance. The first part is purely theoretical, while the second part requires to perform some ...