A graph showing the difference in frequencies or percentages among the categories of a nominal or an ordinal variable where the categories are displayed as rectangles of equal width with their height proportional to the frequency or percentage of the category is referred to as a
A. bar graph.
B. pie chart.
C. frequency polygon.
D. histogram.
Answer: A
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Research shows that the U.S. cooperative learning classroom is more likely than a jigsaw classroom to produce significant decreases in intergroup tensions
Indicate whether the statement is true or false
High male incarceration rates in some communities have resulted in
a. homelessness. b. gender inequality. c. mental illness. d. gender imbalance.
Sociological studies that focus on large-scale phenomena or entire civilizations are known as
A. microsociology. B. interactionism. C. macrosociology. D. dramaturgy.
For a study using a t test for independent means, the approximate number of participants needed for 80% power for an estimated large effect size and using a two-tailed test is
A) 26. B) 50. C) 64. D) 310.