_____ is the symbol used to represent a population mean.

The __________ usually consists of heads of the major executive departments, plus the vice president and other officials the president deems appropriate

Fill in the blanks with correct word

Progressive income taxation means that

a. those with higher incomes pay a higher percentage of tax. b. all citizens pay the same amount in taxes regardless of income. c. taxes on investments that generate additional revenue is higher than those on income. d. those with higher incomes pay a lower percentage of tax. e. taxes increase as governmental spending increases.