Google "commercial and industrial loans fed". Download monthly non-seasonally data. Use start date of January 1970. Download the data. Calculate the annual growth rate of the loans updating on a monthly basis. Graph the year over year change for every month. Then calculate the sample mean. Graph the sample mean on the same graph. Google "commercial and industrial loans fed". Download monthly non-seasonally data. Use start date of January 1970. Download the data. Calculate the annual growth rate of the loans updating on a monthly basis. Graph the year over year change for every month. Then calculate the sample mean. Graph the sample mean on the same graph