The midway point in a series of scores or figures resulting in half of the scores being above and half being below is called the:
a. mean.
b. median.
c. mode.
d. meridian.
e. moderate.
B
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Less than half of violent crimes, and less than one-fourth of property crimes, ever result in an arrest. This means that:
a. people arrested for criminal acts represent only a sample of people who commit crimes. b. the police aren't doing their job. c. these crimes are the ones that most often go unreported. d. those who are arrested are a good representation of those committing crimes more generally.
The formulas for some measures of association can result in coefficients with either positive or negative signs. Under which of the following circumstances can those signs be meaningfully interpreted?
a. whenever the data are expressed as frequencies b. when the data are measured at the nominal level c. when the data are measured at the ordinal level d. whenever the data have a modal category e. whenever the data are expressed as percentages
One of the important findings of the research regarding "virginity pledges" was that
a. the pledges are most effective in older teens b. the pledge is not as effective among young teens under 15 c. pledging delays intercourse most effectively when teens perceive that it will make them special d. pledge breakers do not engage in unprotected sex
Discuss one trend and one criticism related to the use of foreign aid to address global economic inequality.
What will be an ideal response?