Describe a situation in a work environment where the use of macros would improve efficiency in processing data in excel. identify the likely challenge(s) you would face in developing the macros, and suggest a plan for addressing the challenge.

An environmental protection agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions. at 0.01 significance level, can we conclude that there is a positive association between the variables? what is the p value? interpret.