Question
Select the appropriate measure of central tendency for each scenario: A college psychology program has 12 faculty members. One of them is a full professor,
Select the appropriate measure of central tendency for each scenario:
A college psychology program has 12 faculty members. One of them is a full professor, three are associate professors, and eight are assistant professors. (Full professors have substantially higher salaries than associate professors, who have substantially higher salaries than assistant professors.) The chair of the program wants to report the average salary of the 12 faculty members.
An astronomer classifies celestial objects as 1 (stars), 2 (planets), 3 (dwarf planets), 4 (asteroids), 5 (moons), 6 (comets), 7 (meteoroids), and 8 (other). He wants to report the average celestial object in a sample of the universe.
A social studies teacher, with a classroom of students who have roughly the same level of ability, administered a final exam of multiple-choice questions on the social studies facts they had learned.
An anatomist obtains a sample of athletes that consists of 75 jockeys (who are extremely short) and 75 basketball players (who are extremely tall). She measures the height of all 150 and wants to report the overall average.
A researcher obtains a sample of men who have been married for 7 years and asks them to rate their levels of marital happiness on an ordinal scale that ranges from -7 (extremely unhappy) to + 7 (extremely happy).
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