How are the properties of a normal curve important for analyzing data?
What will be an ideal response?
Normal distribution--a symmetric bell-shaped distribution that results from chance variation around a central value; the correspondence of the standard deviation to the normal distribution enables us to infer how confident we can be that the mean of a population sampled randomly is within a certain range of the sample mean.
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The gender gap is to be found among older women voters because of issues related to Social Security and Medicare
Indicate whether this statement is true or false.
Why is diplomacy often preferred over use of the military to settle foreign policy disagreements?
a. Diplomacy is more likely to be successful. b. Diplomacy is more likely to lead to military alliances. c. Diplomacy is more likely to lead to isolationism. d. Diplomacy is less likely to lead to war. e. Diplomacy is less likely to be appropriate for trade disagreements.
Congress passed the Corporate Accountability Act of 2002 in response to
A) mad cow disease. B) the Microsoft monopoly. C) the debate over snowmobiles in Yellowstone. D) a series of accounting scandals at companies such as Enron and WorldCom. E) serious safety problems with a General Motors sports car.
A score that you would actually record is a(n) _______________
a) observed score b) true score c) error score d) false score