Bill and Ralph both work as cashiers for fast food restaurants. They are paid minimum wage. They are attending a black-tie party in an upper-class neighborhood. They drove there from the same part of town and they don't know each other. While they feel out of place there, they feel an understanding with one another. From what we know, what best explains why? a. Ethnicity and race
b. Region
c. Socioeconomic status

What is another name for the spanish navy in 1588? a) spanish royal fleet b) spanish armada c) spanish yacht crew d) spanish tall ships

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.

What is the difference between a mixed and market economy