The accomparying data set contains five variables, x1,x2,x3,x4, and x5. There are missing values in the data set. Handie the missing values using the simple mean imputation strategy for numerical variables and the predominant category strategy for categorical variables. Click here for the Excel. Data File a. How many missing values are there for each variable? b. What are the values for imputing missing values in x1,x2,x3,x4, and x5 ? Note: For x3,x4, and x5 round your answers to 4 decimal places. Fele Home insert Drann Pagetoyout formulas. if P Type here to search * P P. Type here to search File Home insert Draw Page Layout Formulas: (j) PROIECTED ViEW Recarefula files from the internet can contain vinusefit A1