Why is the statistical validity of a multiple regression design more complicated to interrogate than a bivariate design?

a. it is harder to detect outliers.
b. statistical significance of associations cannot be determined.
c. these designs require more participants.
d. betas and rs share no similarities.

Suppose that: 1. malaysia requires 1 hour of labor to produce 1 pound of rice and 2 hours of labor to produce 1 pencil; 2. indonesia requires 2 hours of labor to produce 1 pound of rice and 4 hours of labor to produce 1 pencil; 3. each country has 10,000 hours of labor to allocate between the production of rice and pencils; and 4. in autarky, malaysia consumes 5,000 pounds of rice and 2,500 pencils. which country has an absolute advantage in rice production? in pencil production? which country has a comparative advantage in rice production? in pencil production? will trade between the two countries be mutually beneficial?

Health insurance protects you if you experience any of the following except: a: if you have to be hospitalized b: if you damage someone's property c: if you need to visit a clinic d: if you can't work because of illness

Richard is one of the leading college basketball players in the state of florida. he also maintains a good academic record. looking at his talent and potential, furman university offers to bear the expenses for his college education.