4. Is the electricity production in statistical control? Please explain.

Answer: Yes the electricity production is in statistical control
The electricity production is under statistical control since the electric power generation is under check in ten consecutive days and each day it is checked five times and data collected Dy reading the meter and recording the output of the power plant at specific times The data of power generation is statistical since it can be used to answer different statistical questions regarding the electricity production of the Fox island Wind Project hence electricity production is in statistical control.

5. What is a rational subgroup? And why is it important when collecting data for process analysis?

Answer: First and foremost it may be important to understand that a rational subgroup may be considered as a subgroup of variables/data defined by a specific factor such as a stratifying factor or a time period
The mam reason as to why rational grouping may be considered important may be due to detecting shifts in the mean
Therefore