Answer:
N is the mid point of LQ.......
7.84
Steps on how I solved it
2.8x2.8= 7.8
ETL is the other name for 'Data Preparation' stage of knowledge discovery process.
Explanation:
- ETL can be defined as a technique for extracting data from various RDBMS systems.
- The extracted data will then be 'transformed and loaded' into Data warehouse system.
- The development of an ETL process include various stake - holders, analysts, developers, testers and it is technically challenging.
- This process is a recurring process where it needs to be automated, and well - documented.
- It is also considered to be another name for 'Data Preparation' Stage of 'Knowledge Discovery Process'.
Learn more about Data Preparation at:
brainly.com/question/20116147
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