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.

Consider the scenario below and let us know if you believe lauren smith's actions to be ethical. let us know why or why not. lauren smith is the controller for sports central, a chain of sporting goods stores. she has been asked to recommend a site for a new store. lauren has an uncle who owns a shopping plaza in the area of town where the new store is to be located, so she decides to contact her uncle about leasing space in his plaza. lauren also contacted several other shopping plazas and malls, but her uncle’s store turned out to be the most economical place to lease. therefore, lauren recommended locating the new store in her uncle’s shopping plaza. in making her recommendation to management, she did not disclose that her uncle owns the shopping plaza. if management decided to go with lauren's uncle's plaza, what additional information would be needed in the financial statements?

Rossdale co. stock currently sells for $68.91 per share and has a beta of 0.88. the market risk premium is 7.10 percent and the risk-free rate is 2.91 percent annually. the company just paid a dividend of $3.57 per share, which it has pledged to increase at an annual rate of 3.25 percent indefinitely. what is your best estimate of the company's cost of equity?

Popeye produces 20 cans of spinach in 8 hours. wimpy produces 15 hamburgers in 10 hours. if each hamburger trades for 1.5 cans of spinach, then: a.wimpy’s production and productivity are greater than popeye’s. b.popeye’s production is greater than wimpy’s, but his productivity is less. c.wimpy’s production is greater than popeye’s, but his productivity is less. d.popeye’s production and productivity are greater than wimpy’s.