A sales manager wants to see if a dress code have an effect on monthly sales. She selects a certain number of dress code options (rows: indicated by lower case letters) and a number of sales associates (columns: identified by upper case letters) The data can be found in the Download .csv file. Use a = 0.05 for any statistical tests. (a) Complete the following two-way ANOVA table. (Use four decimals). Source Sales associates (column) Dress code (row) error total DF SS MS F P-value (b) Please give the appropriate probability expression to describe the p-value of the dress code (row effect), using the test statistic given. P( ? DF1= DF2= ? = (use three decimals) (c) Consider the analysis above. Use a significance level of 5% Do sales depend on the dress code type? ? Do sales depend on the associate? ?