Which explains how the president’s role as chief legislator has changed over time? a. the president uses executive orders to support his policy agenda. b. the president uses mass media to support his policy agenda. c. the president uses political advisors to support his policy agenda. d. the president uses political speeches to support his policy agenda.

What is meant by a symmetrical unimodal distribution? a. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. b. a distribution is a pattern of frequencies for the various values of a variable collected in a study. a symmetric unimodal distribution is a distribution where there is one value with a larger frequency than any other and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other. c. a distribution is the frequency at which a certain value of a variable is obtained during a study. a symmetric unimodal distribution is a distribution where there is a uniform frequency, meaning the frequency of every value is same, and the pattern of frequencies on the left and right of this larger frequency are mirror images of each other.

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

Which type of learning occurs when you observe how other people act?