Amanager is interested in studying if there is a relationship between the gender of the order-taker and the amount of food ordered. the researcher conducts his experiment in a fast food store for two consecutive days, monday and tuesday, between 1.00 p. m. and 4.00 p. m. he calculates the number of orders placed on monday when the order-taker is a female and the number of orders placed on tuesday when the order-taker is a male. in this situation, the dependent variable is:
(a) the gender of the order-taker.
(b) the time period during which the orders were recorded.
(c) the store at which the experiment was done.
(d) the total dollar amount of orders taken on each day.
(e) the day of the week when the data was collected.

5. understanding marginal and average tax rates consider the economy of citronia, where citizens consume only oranges. assume that oranges are priced at $1 each. the government has devised the following tax plans: plan a • consumption up to 1,000 oranges is taxed at 50%. • consumption higher than 1,000 oranges is taxed at 20%. plan b • consumption up to 2,000 oranges is taxed at 15%. • consumption higher than 2,000 oranges is taxed at 60%. use the plan a and plan b tax schemes to complete the following table by deriving the marginal and average tax rates under each tax plan at the consumption levels of 300 oranges, 1,200 oranges, and 3,000 oranges, respectively. consumption level plan a plan b (quantity of oranges) marginal tax rate average tax rate marginal tax rate average tax rate (percent) (percent) (percent) (percent) 300 1,200 3,000 complete the following table by indicating whether each plan is a progressive tax system, a proportional tax system, or a regressive tax system. progressive proportional regressive plan a plan b