Answer the following statement(s) true (T) or false (F)
1. The median is not affected by skewness of a variable's distribution.
2. The median is most suited to measure the central tendency of variables measured at the ordinal level, but it can be used at the interval and ratio levels as well.
3. The mean is the most commonly used measure of central tendency for quantitative variables.
4. Range is computed by subtracting the highest value from the lowest value and adding 1.
5. Researchers usually evaluate skewness by eyeballing the distribution.
1. True
2. True
3. True
4. True
5. True
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If we conducted a highly controlled study that shows therapy X to be clearly superior to standard therapies Y and Z, what can we assume about the new therapy?
A) Therapy X is superior under any and all conditions. B) Therapy X is superior under natural conditions. C) Therapy X is superior under laboratory conditions. D) Therapy X does not need field testing.
Which of the following is an example of an unfunded mandate?
a. No Child Left Behind b. Iraq War Resolution c. Creation of the Environmental Protection Agency d. A bill raising taxes on the top 1% of earners
In the 2014 case of Burwell v. Hobby Lobby Stores, the Supreme Court ruled that
A. businesses can decide which employees deserve employer-paid health insurance based on employee performance. B. the free exercise of religion clause in the First Amendment does not apply to the secular business practices of corporations. C. the Patient Protection and Affordable Care Act does not require employers to provide insurance for employees. D. companies with only a few owners can refuse, on religious grounds, to include contraceptives in employees' health coverage. E. All of these answers are correct.
Political perspectives on the root causes of poverty vary. Conservatives tend to see poverty as a result of ______, while liberals are more likely to believe that poverty is the result of ______.
A. personal choice; economic and social conditions outside of one’s control B. welfare programs; a lack of government programs C. government; corporations D. a lack of education; a lack of equal opportunity