Correlation is used to represent the linear relationship between two variables. On the contrary regression is used to fit the best line and estimate one variable on the basis of another variable, as opposed to regression reflects the impact of the unit change in the independent variable on the dependent variable.
Answer:
In American political discourse, states' rights are political powers held for the state governments rather than the federal government according to the United States Constitution, reflecting especially the enumerated powers of Congress and the Tenth Amendment.
Explanation:
You are correct. The first statement that you had was the right answer.
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Answer: NON-EQUIVALENT GROUP DESIGN.
Explanation: A nonequivalent group design is a quasi‐experiment used to assess the relative effects of treatments that have been assigned to groups of participants non-randomly (adults whose name appeared in the local police report as child abuse victims, and those have never been victims). Because the participants have been assigned to treatments non-randomly by Dr. Rose, differences in the composition of the treatment groups can bias the estimates of the treatment effects. A variety of statistical methods are available for taking account of this selection bias. Each method imposes different assumptions about the nature of the selection effects, but it can be difficult to determine which set of assumptions is most appropriate in a given research setting.
