Indicate whether each of the following statements specify descriptive statistics ( because it describes sets of actual observations) or inferential statistics ( because it generalizes beyond sets of actual observations).
(a) On the basis of a survey conducted by the Bureau of Labor Statistics, it is estimated that 8.1 percent of the entire workforce was unemployed during the last month.
(b) During a recent semester, the ages of students at my college ranged from 16 to 75 years.
(c) Research suggests that an aspirin taken every other day reduces the chance of heart attacks (by almost 50 percent) in middle- aged men.
(d) Joe’s GPA has hovered near 3.5 throughout college.
(e) There is some evidence that any form of frustration— whether physical, social, economic, or political— always leads to some form of aggression by the frustrated person.
(f) According to tests conducted by the Environmental Protection Agency, the 2013 Toyota Prius should average approximately 46 miles per gallon for combined city/ highway travel.
(g) On average, Babe Ruth hit 32 home runs during each season of his major league baseball career.
(h) Research on learning suggests that active rehearsal increases the retention of newly read material; therefore, immediately after reading a chapter in this book, you should close the book and try to organize the new material.
(i) Children with no siblings tend to be more adult oriented than children with one or more siblings.

  • CreatedJuly 08, 2015
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