Teachers at Central High School earn a mean salary of $45,000, with a standard deviation of $2,500 . Those at Midlands High School earn an average of $30,000, but a standard deviation of $7,000 . Which of these two have the largest variation in salary?
a. Central High School
b. Midlands High School
c. Both have the same variation
d. Cannot discern from information given.
e. The standard deviation is not appropriate for this study.
B
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An entirely new religion whose members hold beliefs and engage in rituals that differ from those of existing religions is a:
a. church b. cult c. denomination d. sect
Which of the following technologies is recognized as the primary engine behind the communications revolution of the nineteenth century?
a. the telephone b. the telegraph c. radio d. trans-Atlantic mail
The USA PATRIOT Act and European Union laws to control global crime have some downsides. Which of these does the text discuss?
a. Civil rights are in some cases compromised b. More people die using riskier methods to try to cross borders c. Efforts for global crime control divert money from funds for domestic problems d. These crime control efforts often increase rather than decrease trafficking of people