Answer the following statement(s) true (T) or false (F)
1. The slope of a line is defined as the change in y for every unit increase in x.
2. The slope of a line cannot be negative.
3. The best approach to fitting a line to data is to begin with the point for the mean value of both variables.
4. In political science, most linear equations will not make errors in predicting the dependent variable.
5. The equation of a line can be determined by knowing the mean values of x and y, and the slope.
1. true
2. false
3. true
4. false
5. true
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What types of cases are initiated by a prosecutor?
A. criminal B. civil C. divorce D. both civil and criminal
Unlike the mean, the variance is expressed in ________ units of the variable
A) Original B) Squared C) Reduced D) Divided
In _____, the Court upheld a federal tax on interest from unregistered state and local bonds, and concluded that protections afforded by the Tenth Amendment are "structural, not substantive."
a. Garcia v. San Antonio Metropolitan Transit Authority (1985) b. South Carolina v. Baker (1988) c. New York v. United States (1992) d. None of the above is true.
The United States Postal Service is an example of a(n)
a. unregulated government service. b. government corporation. c. independent regulatory commission. d. semi-independent agency. e. autonomous bureaucracy.