Your friend asks how correlation is different from covariance, and for a formula that can turn $cov(x, y)$ into $cor(x, y)$. Provide that formula, and explain how correlation relates to covariance. Also explain what the correlation means and the possible values it can take.

Neon light company of kansas city ships lamps and lighting appliances throughout the country. ms. neon has determined that through the establishment of local collection centers around the country, she can speed up the collection of payments by one and one-half days. furthermore, the cash management department of her bank has indicated to her that she can defer her payments on her accounts by one-half day without affecting suppliers. the bank has a remote disbursement center in florida. a. if neon light company has $2.90 million per day in collections and $1.18 million per day in disbursements, how many dollars will the cash management system free up?

Skathy lee berggren, a professor of oral communication at cornell university, indicates “a lot of my students re­ally [only] scratch the surface with the type of research they’re doing.” according to andy guess, at inside higher ed, “just because students walk in the door as ‘digital natives’, doesn’t mean they’re equipped to handle the heavy lifting of digital databases and proprietary search engines that comprise the bulk of modern, online re­search techniques.” students erroneously think a google search is research. as you read through the reasons that should stimulate your interest in studying research methods or evaluate the nine factors that guarantee good research, what actions do you propose to narrow the gap between students’ research competence and what’s required of a modern college graduate about to become a manage

This year, druehl, inc., will produce 60 comma 000 hot water heaters at its plant in delaware, in order to meet expected global demand. to accomplish this, each laborer at the plant will work 200 hours per month. if the labor productivity at the plant is 0.25 hot water heaters per labor hour, how many laborers are employed at the plant? number of laborers employed by the plant = nothing laborers (round your answer to the nearest whole number).