Tme heights, in inches, of the 15 students in Jared's 6th grade Chemistry class are:
48, 54, 50, 53, 60, 55, 52, 62, 67, 69, 76, 58, 63, 54, 54
What is the lower quartile, Q.1, of these data?
What is the interquartile range of these data?

Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.