6) Each day of Spirit Week at Alek's school, students have the option of dressing up

according to a different theme. On Tuesday of Spirit Week, Alek recorded the

number of students at his school by class and style of dress. Here is his data:

Class Dressed for Spirit Week Dressed normally Total Freshman 175 73 248 Sophomore 160 38 198 Junior 184 47 231 Senior 177 3 180 Total 696 161 857