ExceltE. Answer the questions below in your Excel sheet or in a separate Word document: Insert a new column in the database that corresponds to "Annual Sales." Annual Sales is the result of multiplying a restaurant's "Sq Ft." by "Sal eero Ft." Calculate the mean. standard deviation, skew; S-number summary, and interquartile range (lQR) for each ofthe variables. Create a boxplot for the "Annual Sales" variable. Does it look symmetric? Would you prefer the lCllFt instead of the standard deviation to describe this variable's dispersion? Why? Create a histogram for the "SalesISoFt" variable. Is the distribution symmetric? If not, what is the skew? Are there any outliers? If so. which onels}? What is the \"Scht\" area of the outlier{s}? Is the outlieris] smaller or larger than the average restaurant in the database? What can you conclude from this observation? What measure of central tendency is more appropriate to describe "SalesEqFt"? Why