The measure of central tendency that is most useful in estimating population characteristics because it is less variable from sample to sample is the
a. mode
b. median
c. mean
d. All of the above are equally useful in estimating characteristics of the population.
C
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a. True b. False Indicate whether the statement is true or false
All of the following are true of children's sense of fairness except
a. children's sense of fairness is intuitive. b. children can rarely verbalize what fairness is. c. children 3 or 4 years of age have some sense of fairness, at least when they are getting the lesser of a deal. d. when given opportunities to distribute resources, older children generally keep more for themselves than do younger children.
What are some concerns about the use of polygraphs? A. Polygraphs cannot distinguish between fear or nervousness. B. Polygraphers lack professional standards and standardized questioning Methods
C. both A and B D. neither A or B
People with more money:
A. have a higher stress level. B. are less happy in poor countries. C. are more likely to reduce their consumption. D. perceive more control over their lives.