Which of the following is a fundamental difference between the t statistic and a z-score?
a. The t statistic uses the sample mean in place of the population mean.
b. The t statistic uses the sample variance in place of the population variance.
c. The t statistic computes the standard error by dividing the standard deviation by n - 1 instead of dividing by n.
d. All of these are differences between t and z.
B
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Suppose that Wanda, Edgar, and Sue are three lonely individuals who all cope with their loneliness in various ways. Wanda has a large greenhouse with numerous plants, and she talks with her plants every morning as though they were close friends. Edgar, by contrast, strongly identifies with his favorite sports teams, and comes to think of his attachments to these teams as relationships. Finally,
Sue copes with her loneliness by watching several situation comedies, where she thinks of the characters on these shows as her "friends." Which of these strategies is likely to be effective at alleviating loneliness? a. Wanda's—but not Edgar's or Sue's b. Edgar's—but not Sue's or Wanda's c. Wanda's and Edgar's—but not Sue's d. All three
Both men and women are at risk of osteoporosis, but it poses a greater threat to men.
Answer the following statement true (T) or false (F)
What was Dr. Zimbardo's role in the Stanford Prison Experiment?
a. clergy b. warden c. parole officer d. guard
When eating a well-balanced dinner, the taste receptor most active is:
a. Sweet, since many nutritious foods taste somewhat sweet b. Salty, because salt is a critical nutrient c. Umami, which responds to needed amino acids d. All taste receptors will be active