An excel workbook of statistical analysis has already been created from a dataset. You don’t need to work on any calculations, just answer the following questions based on the analysis conducted. Write down your observation and interpretation Background: The dataset records the sales revenue and its marketing spending on each marketing channel from January 2013 to December 2014. Explanation of some columns: Holiday: 1 means holiday, 0 means non-holiday. PROMOTION: the scale of promotion
An excel workbook of statistical analysis has already been created from a dataset. You don’t need to work on any calculations, just answer the following…