Dr. salazar recently completed an experiment in which she compared reasoning ability in a sample of females and a sample of males. the means of the female and male samples equaled 21 and 19, respectively, on a 25-point scale. a statistical test revealed that her results were not statistically significant. what can dr. salazar conclude?

Which of the following did the founding fathers see as a benefit of the federal structure (federalism) of government? a.) all power is concentrated in the national government. b.) the power is divided between national and state governments. c.) all the power is concentrated in the state and local governments. d.) the power is divided between the people and the government

Which option below best represents what is included in the calculation of the united states gross domestic product (gdp)? a. 1 b. 2 c. 3 d. 4

The american public was excited by the invention of the railroad system. true false