Control Chart is a graphical tool used to determine process performance with time. These were developed by Walter A. Shewhart and hence are also known as Shewhart charts. These charts help determine whether the process is stable or not. If the process is stable, the process will only have inherent variation (Common Cause variation). The region of common cause variation is given by Control limits (Upper and Lower control limits). Any process variation outside these limits is considered as Special Cause Variation
Data Transformation is a method to transform non-normal data to normal thus allowing the application of statistical tools on the normalized data
An application-oriented question on the topic along with responses can be seen below. The best answer was provided by Vijay Tomar on 6th Jun 2023.
Applause for all the respondents - Khalandar S, Moushmi Kandori, Gitarchana Roy, Raghavendra Rao Althar, Vidhya Rathinavelu, Vijay Tomar, Partho Karmakar.