The dean of the business school at a small florida college wishes to determine whether the grade-point average (gpa) of a graduating student can be used to predict the graduate's starting salary. more specifically, the dean wants to know whether higher gpas lead to higher starting salaries. records for 23 of last year's business school graduates are selected at random, and data on gpa (x) and starting salary (y, in $thousands) for each graduate were used to fit the model a. 0.048 b. 0.219 c. 0.689 d. 1.075

Haley photocopying purchases a paper from an out-of-state vendor. average weekly demand for paper is 150 cartons per week for which haley pays $15 per carton. in bound shipments from the vendor average 1000 cartoons with an average lead time of 3 weeks. haley operates 52 weeks per year; it carries a 4-week supply of inventory as safety stock and no anticipation inventory. the vendor has recently announced that they will be building a faculty near haley photocopying that will reduce lead time to one week. further, they will be able to reduce shipments to 200 cartons. haley believes that they will be able to reduce safety stock to a 1-week supply. what impact will these changes make to haley’s average inventory level and its average aggregated inventory value?