What key invention of the 20th century created a “wireless” system for communication?

a. radio
b. telephone
c. telegraph
d. radar

a. radio

Political Science

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Developing the skills that a person brings to the problem of ethical decision making is called

a. the ethics of virtue. b. a moral inventory. c. personal creed. d. socialization.

Political Science

What is the difference between the calculation of a t-score and a z-score for hypothesis testing?

What will be an ideal response?

Political Science