The file P02_01.xlsx indicates the gender and nationality of the MBA incoming class in two successive years at the Kelley School of Business at Indiana University. a. For each year, create tables of counts of gender and of nationality. Then create column charts of these counts. Do they indicate any noticeable change in the composition of the two classes? b. Repeat part a for nationality, but recode this variable so that all nationalities that have counts of 1 or 2 are classified as Other