Compensation professionals in the xyz company use regression analysis to determine the pay rates of its marketing professionals. there are 4 different marketing job titles in the xyz company. compensation professionals use job evaluation points assigned to each marketing job title and a salary survey data. in other words, they regress job evaluation points on the salary data to indicate the amount of variation in market pay rates that can be explained by a company's job structure. which of the following best describes this amount of variation when the r2 value turns out to be 0.85?
a) all of the variation in market pay
b) none of the variation in market pay
c) a large amount of the variation in market pay
d) a small amount of the variation in market pay

Aproduction order quantity problem has a daily demand rate = 10 and a daily production rate = 50. the production order quantity for this problem is approximately 612 units. what is the average inventory for this problem?

Rate of return douglas keel, a financial analyst for orange industries, wishes to estimate the rate of return for two similar-risk investments, x and y. douglas's research indicates that the immediate past returns will serve as reasonable estimates of future returns. a year earlier, investment x had a market value of $27 comma 000; and investment y had a market value of $46 comma 000. during the year, investment x generated cash flow of $2 comma 025 and investment y generated cash flow of $ 6 comma 770. the current market values of investments x and y are $28 comma 582 and $46 comma 000, respectively. a. calculate the expected rate of return on investments x and y using the most recent year's data. b. assuming that the two investments are equally risky, which one should douglas recommend? why?

To determine her power usage, samantha divides up her day into three parts: morning, afternoon, and evening. she then measures her power usage at 3 randomly selected times during each part of the day.