Quinnipiac’s School of Business claimed the No. 72 spot in Bloomberg Businessweek’s seventh annual ranking of “The Best Undergraduate Business Schools.” QU shot up 19 slots since last year’s list, where it fell as No. 91. The ranking is based on student, employer and recruiter surveys, student-to-faculty ratio, the number of students with internships and several other factors. Approximately 142 schools across the nation participated.