What is a confounding variable?
a. a confounding variable is a response variable that was not considered in a study whose effect cannot be distinguished from a second explanatory variable in the study.
b. a confounding variable is an explanatory variable that was considered in a study whose effect cannot be distinguished from a second explanatory variable in the study.
c. a confounding variable is a response variable that has an effect on the explanatory variable, but it cannot be accurately measured in the study.
d. a confounding variable is the explanatory variable on which a study has been focused.

The interaction of individual choices because a type of fish is on the verge of extinction, the government imposes rules that prohibit fishing in the publicly owned spawning grounds. at first owners of fshing bouts complain about this restriction on where they can fish, but soon they notice that the number of adult fish swimming outside the protected area is much higher than it was before. with the restriction, each fishing boat ends up catching more fish than it did before the r which of the following principles of economic interaction best describes this scenario? o there is a tradeoff between equality and efficiency o markets usually lead to efficiency. o when markets do not achieve efficiency, government intervention can improve overall welfare o markets allocate goodseffectively

Faldo corp sells on terms that allow customers 45 days to pay for merchandise. its sales last year were $325,000, and its year-end receivables were $60,000. if its dso is less than the 45-day credit period, then customers are paying on time. otherwise, they are paying late. by how much are customers paying early or late? base your answer on this equation: dso - credit period = days early or late, and use a 365-day year when calculating the dso. a positive answer indicates late payments, while a negative answer indicates early payments. a. 21.27b. 22.38c. 23.50d. 24.68e. 25.91b

When partners own different portions of the business, the terms should be stated clearly in what document? the articles of incorporation the executive summary the business summary the partnership agreement