Homework Speech or Presentation Example | Topics and Well Written Essays - 1000 words

Homework - expression or Presentation ExampleHe clocks the speeds of 20 randomly selected cars and 20 randomly selected trucks twain miles after a major safety sign. Which statistical test should be used to determine whether drivers of cars and drivers of trucks ar differentially affected by safety signs?C. A researcher wants to test whether there is a kind between political party association and education. She randomly selects 500 people and, for each, notes political party affiliation (Republican, Democrat, Neither) and highest degree earned (high school, college, graduate). Which statistical test should be used to determine whether there is a alliance between political party affiliation and education?D. In a study of group productivity, subjects worked in groups of various sizes to develop new computer softw ar. Subjects were randomly assigned to work in groups of two, ten, or fifteen. Which statistical test should be used to determine whether group size has an effect on pr oductivity?A psychologist at a private mental hospital was asked to determine whether there was any clear going in the length of stay of patients with different categories of diagnosis. Looking at 4 patients in each of the collar major categories, the results (in terms of weeks of stay) were as followsTherefore, the mean between drug related conditions and cognitive behavior are similar. However, the mean between behavior and drug related and, the mean between behavior and cognitive are also different.In a study on the effect of the invasion of ad hominem space, experimenters approached pedestrians walking altogether and asked them for directions. When the pedestrian started giving directions, the experimenter took a step toward him/her. An observer then noted whether the pedestrian responded to this invasion of personal space by staying where he/she was, by fetching a step forward, or by taking a step back. The table below shows