Answer the following statement(s) true (T) or false (F)
The sum of the differences of scores from their mean is zero.
Ans: T
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The current era in education in the United States is often characterized as the age of
a. standardized testing. b. school reform. c. accountability. d. benchmark development.
The powers not delegated to the United States by the Constitution, nor prohibited by it to the States, are reserved to the States respectively, or to the people is part of the
A) First Amendment. B) Tenth Amendment. C) Fourteenth Amendment. D) Sixteenth Amendment.
A ______ is used to evaluate ______.
a. z-score; the mean of a sample b. t-test; the difference between two means c. z-score; the difference between a sample mean and a population mean d. t-test; a score on a variable
Turn to people as a credible source of information
A. True B. False