What is meant by data analytics? It involves reviewing data (often over a time period) to see trends and derived actionable insights. A change in monthly mean sales does not always mean there is an explanation...or that it is even significant? Nearly all processes have variation and changes in mean may merely be a result of random variation. Statistical tools help us better understand changes caused by inputs and within our control.
Whether using Google Analytics for exploring marketing drivers or looking at production for determining sources of quality problems, using correct models is critical to understand and act upon data analytics,