Data analytics can be disaggregated into two parts: ETL (extract, transform, and load) or analysis. Classify each of the following processes as either ETL or analysis.
a. Removal of extraneous data and noise.
b. Looking for trends in the data that might predict new sales opportunities.
c. Finding the necessary data from the financial reporting system to give to the external auditor for analysis.
d. Performance of a test of internal controls by the external auditor.
e. Considering Champaign, Illinois, weather patterns to predict corn production in the immediate area.
f. Consolidating large volumes of data from multiple sources and platforms.