What findings were revealed from the study of 14 million comments on the website "Rate My Professor"?
A. Faculty members often discriminate against female college students.
B. Students are often biased against female professors.
C. Faculty members often discriminate against male college students.
D. Female college students are more motivated for top grades than are males.
Answer: B
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The most recent technological change to the U.S. economy was
a. the Agrarian Revolution. b. the Industrial Revolution. c. the Information Revolution. d. the Union Revolution.
For analysis of variance, an approach to effect size is to calculate the:
A) size of the groups multiplied by the sample means B) proportion of variance accounted for (R2) C) difference between the two means divided by the pooled population variance D) difference between the two means divided by the pooled population standard deviation
Which of the following is true of homicide in the United States?
A. Homicide is the leading cause of death for black males between the ages of 15 and 24. B. Homicide is the second leading cause of death for Hispanic males between the ages of 15 and 24. C. Black males are eight times more likely to be homicide victims compared to their white counterparts. D. all of these
Very large random samples of Catholics and Protestants have been questioned about their opinions on cohabitation. Forty-six percent of the Protestant and 47% of the Catholics approve of males and females living together without being married. The difference has been tested and found to be statistically significant. What is the most reasonable conclusion?
a. This is a statistically significant and important difference b. This difference may be statistically significant but it seems unimportant c. This difference is due to random chance d. The researcher should have used sample means rather than proportions in this situation